Written and illustrated by Osamu Nishi, Iruma kun is one of the most popular ongoing anime and manga series. This series follows the adventures of a human named Iruma Suzuki through the dark world of demons called the Netherworld.

As Iruma kun navigates through the different situations, it often leads to many comical and embarrassing situations. Here we will take a look at the 40 strongest characters in Welcome to Demon School! Iruma Kun.

Spoiler alert for anime watchers only. This article contains spoilers for manga chapters that have not yet been adapted into an anime.

Top 30 Strongest Iruma Kun Characters

40) Orabas Coco

Name	Orobus Coco
Age	15
Bloodline Ability	Trauma
Hair color	Brown
Eye colour	Black
Status	Alive

Orobas Coco was introduced as one of the minor antagonists of the Harvest Festival Arc. A student at Babyls Academy, he is a very serious person and very dedicated to his goals.

Coco has one of Bloodline's unique abilities: Trauma. This allows him to inflict on his opponents some of their greatest fears. Orobas can use this ability to show very effective illusions that trap his opponent.

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39) Valac Clara

Japanese name	Valak Clara
Age	15
Bloodline Ability	Convene
Hair color	Lime green
Eye colour	Lime green
Status	Alive

Valac Clara is one of the cutest characters in the series, as well as a heartthrob. She has all the attributes to be a pretty idol loved by everyone.

Even without it, she has a powerful bloodline ability summon. With this alone, she can be considered one of Iruma kun's strongest characters. His ability allows him to summon any object or even person. For now, there is no limit to this power and the items she can summon.

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38) IX Elizabeth

Japanese name	Ix Elisabetta
Age	15
Bloodline Ability	Favorability
Hair color	Blond
Eye colour	Red
Status	Alive

Ix Elizabetta is one of the most beautiful and beautiful. Along with that, she also possesses a decent amount of power to be considered one of the strongest characters in Iruma kun.

Her bloodline ability, Favorability, allows her to attract men to her who continue to try to gain her favor. She has trained herself to control this ability better, and she can now control more men effectively.

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37) Pure Self

Japanese name	Pursuit Self
Age	15
Bloodline Ability	Anti-recognition
Hair color	Pale lavender
Eye colour	Black
Status	Alive

Purson Soi is one of the minor characters at Babyls Academy, also studying in the same class as Iruma kun. Initially starting with Rank: 2 Beth, he reached Rank: 4 Daleth with his power.

Self's Bloodline ability is unique, as it is Anti-Recognition. He is unable to attract attention at his school or elsewhere. In the rare case that someone recognizes him, he can instantly vaporize and appear somewhere as if teleporting.

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36) Ron’s Lomière

Japanese name	Ronowe Romière
Age	15
Bloodline Ability	Charisma
Hair color	Dark purple
Eye colour	amber
Status	Alive

Ronove Lomieri is one of the students of Babyls Academy and is of the same rank as Iruma kun. He is also one of the strongest characters in Rank: 5 He.

Her Bloodline ability allows her to draw charisma or attention from anyone in an area. This allows him to launch a surprise attack on his opponents quite effectively.

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35) Amy It exists

Japanese name	Amy Kirio
Age	16
Bloodline Ability	Barrier
Hair color	Turquoise
Eye colour	Turquoise
Status	Alive

Kiriwo is a third year student at Babyls and the head of Magical Apparatus Battler. He has one of the darkest and most twisted personalities of all time.

He is a sadist who likes to see others desperate. Since childhood, he had a weak affinity for magic and often spat up blood while casting spells.

Although he is Rank 2: Beth, he inherited his family's powerful magic barrier, giving him zero offensive skills but 100% defensive skills.

He is the one who decided to destroy Babyls and is secretly working with Baal to destroy the current order in the demon world. Its barriers can regenerate and can only be destroyed by a rank 10 Yod-class demon.

Iruma was only able to break through his barriers by unlocking the true potential of Sullivan's magic stored in his ring. Kiriwo considers Iruma his nemesis and, in the current arc, is one of the main antagonists.

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34) Raspberry Belial-Berry

Japanese name	raspberry with Beliar berries
Age	N / A
Bloodline Ability	N / A
Hair color	Light gray
Eye colour	N / A
Status	Alive

Belial-Berry Razberry is the grandson of Lord Belial, one of the Big Three. He is just as powerful as Leviathan Leiji. However, at present, he is at rank He (5), the same as Iruma.

He has one of the coolest pets, Greater Demon, which has dice, cards, dice, poker chips, diamond rings, and roulette all over his body.

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33) Sabnock Saber

Japanese name	Sabnok Sabro
Age	N / A
Bloodline Ability	Weapon Creation
Hair color	Blond
Eye colour	YELLOW
Status	Alive

He is one of the demons from the abnormal class and Iruma's classmate. He is a very muscular guy whose only ambition in life is to be the next Demon King and believes that his every action, no matter how stupid, is necessary to achieve this ambition.

On the first day of the matriculation ceremony, he attacked a teacher to show his strength. Sabro possesses immense physical strength and agility.

He inherited his Bloodline Magic: Weapon Creation, which allows him to forge a weapon through any metal in minutes. Currently, he has rank 4: Daleth.

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32) Asmodeus Alice

Japanese name	asmodeus alice
Age	16
Bloodline Ability	N / A
Hair color	Light pink
Eye colour	Magenta
Status	Alive

Asmodeus Alice is one of the main characters in this story. Initially, in the series, he was portrayed as a hot-headed guy who challenged Iruma to a duel on the first day of school.

Upon losing to Iruma, his behavior changes 180 degrees and he becomes a loyal companion of Iruma. His only desire is to be Iruma's right-hand man and to always be at his side.

He is immensely powerful and his mother is a member of the "13 Crowns", a body of powerful demons who control the demon world.

Alice can manipulate fire and cast very powerful spells. Its powerful flames provide it with both offensive and defensive capabilities. Currently, he has rank 5: He.

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31) Leviathan Leiji

Japanese name	Leviathan Rage
Age	N / A
Bloodline Ability	N / A
Hair color	Turquoise
Eye colour	N / A
Status	Alive

Leviathan Leiji is the grandson of Lady Levione, one of the Big Three. Along with this, he is also one of the candidates for the next Demon King. Furthermore, he holds the highest rank among the three candidates, namely Vav (6).

He has a very powerful water dragon pet, similar to a snake. He can manipulate water and provide great attack as well as defense to Leiji.

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30) Iruma Suzuki (with Ali)

Japanese name	Suzuki Iruma
Age	15
Bloodline Ability	N / A
Hair color	Blue
Eye colour	Egyptian blue
Status	Alive

is the main hero of this story. He is a person who can never say “no” and ends up helping others regardless of the situation. Due to his difficult childhood, he developed an "overwhelming crisis escape ability", which helps him avoid danger at all costs.

It is his ultimate defense technique that makes it almost impossible to hit Iruma. Although he is human in a world full of demons, his blood is a very precious commodity.

Its blood can heal wounds and accelerate growth at monstrous speed. He also possesses the "Ring of Gluttony", which allows him to use Lord Sullivan's deadly powers.

Her spells like “Pandora” and “Liberal” are ones to watch out for. Under the training of Master Baciko, he became a talented archer. He currently has rank 5: He.

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29) Azazel Ameri

Japanese name	Azazel Amélie
Age	17
Bloodline Ability	Romantic
Hair color	Red
Eye colour	Red
Status	Alive

She is president of the Babyls High School student council. She has a strong, intimidating presence and is a strict disciplinarian. Azazel has a cold exterior and hides his love for romance novels from everyone.

His goal is to one day help his father in controlling the demonic borders. He is a very ambitious person who makes Iruma want to climb the ladder. Ameri is Rank 6: Vav and is immensely powerful.

She inherited the magic of the Azazel family lineage: "Delusions", which helps them extract enormous strength without constraints only if they believe they possess it. She helped Opera eliminate the miscreants from the Walter Park Arc.

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28) Marbas March

Japanese name	Malbus March
Age	N / A
Bloodline Ability	N / A
Hair color	Blueish black
Eye colour	Purple
Status	Alive

Marbas March is the art of torture in Babyls. Although introduced early in the series, like the other Professors, he was not given enough spotlight until the Heartbreaker Arc, where he showed how scary he can be when he captured Andro .

Marbas seems very unsuspecting, but once he gets his hands on you, it's over. With his extensive knowledge of the art of torture, he can paralyze his enemy through a slow and painful process. We haven't seen the full extent of his abilities since he was holding back with Andro, but even that was scary.

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27) Morax Momonoki

Japanese name	Morax Momonoki
Age	25
Bloodline Ability	N / A
Hair color	Light blue
Eye colour	Light blue
Status	Alive

Morax Momonoki is one of the teachers at Babyls Academy. She can use transfiguration and teaches the same thing to all students.

She can also use multiple magic spells at once thanks to her power. His Master of All Trades ability allows him to use any type of magic and understand it well.

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26) Boar

Japanese name	Miss Wepal
Age	N / A
Bloodline Ability	Water handling
Hair color	Blue
Eye colour	Blue
Status	Alive

She is one of the teachers at Babyls High School. She was tasked with training Agares and Gaap of the Abnormal Class during the Harvest Festival arc. Vepar is a very shy person who won't stop crying.

Her tears are the source of her power, as the magic of her bloodline grants her water manipulation abilities. She forms powerful streams of water using these abilities.

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25) Mr. Hat

Japanese name	Mr. Hat
Age	N / A
Bloodline Ability	N / A
Hair color	White
Eye colour	Black
Status	Alive

Like Furfur, Mister Hat is also one of the prestigious teachers at Babyls High School. He is one of the most experienced teachers who can tame any beast.

In the series, he taught Caim and Kerori how to communicate and tame the most dangerous beasts. Without a doubt, he is also one of the strongest characters in the Iruma series.

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24) Sergeant Furfur

Japanese name	General Furfur
Age	33
Bloodline Ability	N / A
Hair color	White
Eye colour	YELLOW
Status	Alive

Sergeant Furfur, the war hero, is one of the teachers at Babyls High School. He was responsible for training Allocer and Jazz of the Abnormal Class during the Arc Harvest Festival.

He possesses extraordinary agility and sleight of hand, which comes into play during games of chance. The true nature of his powers has not yet been revealed.

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23) Suzy's clothes

Japanese name	Susie Strath
Age	Around 28
Bloodline Ability	N / A
Hair color	Light blonde
Eye colour	Black with pink irises in the shape of a flower
Status	Alive

Stolas Suzy is a teacher who is often seen throughout the series. She is usually an event coordinator with Dali, in addition to being a diabotany teacher at the school.

Suzy produces plant magic and most of her abilities are tied to nature in some way. She can use non-verbal spells to grow strong vines, capable of stopping any noisy fights in the world, even if they are high-ranking students like Azz and Sabnock. She can also summon various deadly plants like giant daffodils that spit bullets, Morning Glories that can strangle their prey, and grass that can bind and restrain the moment.

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22) Atori

Japanese name	Attori
Age	N / A
Bloodline Ability	N / A
Hair color	Black
Eye colour	Red
Status	Alive

Atori is one of the members of the Six Hands and one of the most powerful members. His strength is said to be comparable to that of Balam Shinichiro.

This means he has super strength and very fast reflexes, as well as enhanced speed. Atori is also a Spider Demon and can create webs that can easily trap his opponents. This gives him a huge advantage in fights and he can finish off trapped opponents with his strength.

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21) Orias Oswell

Japanese name	Orias Oswar
Age	Around 25
Bloodline Ability	Stars aligned
Hair color	Blond
Eye colour	YELLOW
Status	Alive

Orias Oswell, Babyls' astrology teacher, teamed up with Ipos to defeat Atori after revealing his true colors during the Heartbreaker arc. It seems that the two often team up since their abilities go well together.

Orias's bloodline magic grants him immense luck and can spread to those nearby. As long as there is a chance, luck will always be in his favor. He usually has a smile on his face to mask his true emotions.

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20) Ipos Ichou

Japanese name	winch
Age	Around 25
Bloodline Ability	Gather
Hair color	Blond
Eye colour	Dark sclera with amber pupils
Status	Alive

Ipos Ichou is another member of the Babyls staff. He is the Professor of Tactics, and his Bloodline ability reflects that. He can attract anyone whose face he can see to him, after which he can deliver a dose of full blows to the enemy.

Of course, being a medium, he is adept at various advanced offenses. His Great Fractal allows him to concentrate mana in his fists and strike with enough force to pierce the ground. He can also summon giant iron cages to trap his enemies.

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19) Other six fingers

Japanese name	N / A
Age	N / A
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

Currently, in the current arc '', a group of 6 powerful miscreants are the main antagonists under the direct command of Kirio.

The mastermind of this group is Baal and its members are Atori, Hyudarin, Maemaro, Miki, Shiida and Wett. They are all equally powerful. Among them, the series only revealed Shiida and Atori's power.

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18) Robin Bars

Japanese name	Bart Robin
Age	Around 23
Bloodline Ability	Hit the bull's eye
Hair color	Lime green
Eye colour	Lime green
Status	Alive

Babyls' hyperactive and childish teacher, Bars Robin, teaches familiars. He was the youngest until Shiida arrived at school. Kalego respects her strength but has difficulty dealing with her immature personality.

Coming from a secondary family of the Barbatos clan, Robin is also an archer. He wields a flaming phoenix-shaped bow and is an excellent marksman. His bloodline ability allows him to break through any obstacles, which cannot be stopped until they reach their target.

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17) Dantalion Dali

Japanese name	Dandelion Dali
Age	Around 35
Bloodline Ability	N / A
Hair color	Light brown
Eye colour	Brown
Status	Alive

Dantalion Dali, the kind-looking professor who is also Babyls' highest ranking officer. He teaches demon history and also serves as the Academy's educational supervisor. He mentored Kalego.

Much of Dali's abilities are due to magic, but there is no doubt that he is an extremely powerful individual. By experience alone, every teacher at Babyls is under his orders. Usually cheerful and kind, his bad phase is said to be so bad that he is forced to take time off every time it occurs.

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16) Grinding

Japanese name	Shiida
Age	N / A
Bloodline Ability	N / A
Hair color	White
Eye colour	YELLOW
Status	Alive

Shiida is a member of Six Fingers who infiltrated Babyls with Atori. During this arc, she showed glimpses of her raw strength against Iruma.

She easily defeated him. Her fighting style is similar to Opera's. She only believes in brute strength, speed and reflexes. Right now, we have yet to see its full potential. This is why we ranked it in 15th position.

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15) Ifrit Djinn Eito

Japanese name	Ifrit Jin Eight
Age	Around 25
Bloodline Ability	N / A
Hair color	Dark purple
Eye colour	Dark Indigo
Status	Alive

Ifrit was another pleasant surprise during the Heartbreaker arc. He's part of security at Babyls. He is a confident demon who may appear nonchalant at first, but ignites every time he engages in battle.

Ifrit can wield the flames of the demon Ifrit, and his fire magic is considered the best in the Netherworld. Even when not fighting at full power, Azz's flames could not match his own, although he expressed frustration with Kalego holding Azz to Rank 4 when he had clearly surpassed him.

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14) Balam Shichiro

Japanese name	Baram Shichiro
Age	34
Bloodline Ability	Buzzer
Hair color	White
Eye colour	Black
Status	Alive

Balam, the Gargoyle, is also one of the most powerful demons in the Iruma kun series. Balam and Balam are said to be best friends and equally powerful.

He is one of the teachers at Babyls High School. Despite his terrifying appearance, he has a gentle heart. He is extremely fascinated by the human world or any unknown mystical creature.

Upon discovering that Iruma is a human, he helped him understand the quirks of the demon world and helped him from time to time. He uses both his brawn and his brain to fight battles.

His Bloodline Magic: Buzzer helps him detect any sort of lies or wrongdoing. He has a rank 8: Chet in the demon ranking system. Balam's magic allows him to control and manipulate forests and trees.

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13) Rue Naberius

Japanese name	Naberius Caruego
Age	35
Bloodline Ability	Cerberion
Hair color	Purple
Eye colour	Black
Status	Alive

Naberius Kalego is one of the most powerful demons in the Iruma kun series. He is one of the teachers of Babyls High School and also the homeroom teacher of the abnormal class.

He is a powerful demon and currently has rank 8: Chet. We've seen his overall abilities many times, from teaching to singing. Adding up his magical attributes and his rank, we can say with certainty that Naberius is among the top 5 strongest characters in Iruma kun.

He was the only demon whose magic was capable of destroying Kirio's barriers, albeit momentarily. His pet Cerberus Butte is immensely powerful and can destroy anything in its path.

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12) Beelzebub's Zebubra

Japanese name	Beelzebub's Zebubra
Age	Around 24
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

Zebubra was one of the potential candidates to become a new member of the Thirteen Crowns, although she was not chosen. She is also known as the Dithering King.

As a former candidate, she is enough but not as much as Mephisto. She can explode anything she touches and quickly took out the krakens when they attacked the misfits during their time at the beach.

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11) Opera

Japanese name	opera
Age	N / A
Bloodline Ability	N / A
Hair color	Red
Eye colour	Red
Status	Alive

Opera is Lord Sullivan's right hand and most faithful companion. He is responsible for Lord Sullivan's security and also takes care of Sullivan's household.

Before that, he was a student at Babyls High School. He was the eldest of Kalego and Balam sensei. Opera possesses immense strength and sharp reflexes. During the Walter Park arc, he defended the students single-handedly and with ease.

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10) Barbatos Bachiko

Japanese name	Barbatos Bachiko
Age	Around 24
Bloodline Ability	All points
Hair color	Pink
Eye colour	Pink
Status	Alive

Barbatos Bachiko is one of the candidates for a potential 13 member of the crown. His entire Barbatos family is very proficient in archery, which is shown in his Bloodline ability.

She is also made guardian of Iruma, appointed by Lord Sullivan. This explains why his talent and skills were also recognized by one of the most powerful Rank 9s: Tet Lord Sullivan.

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9) Naberius Narnia

Japanese name	Naberius Narnia
Age	N / A
Bloodline Ability	Cerberion
Hair color	Black with purple highlights
Eye colour	Black
Status	Alive

Naberius Narnia is Kalego's older brother and the next member of the Naberius clan. He works at the Border Patrol agency.

Narnia is an extremist who wants to create a Netherworld full of chaos and is currently working with Baal. His Cerberion, a hellhound that appears in the form of a massive wolf, possesses incredible strength. He is said to be stronger than Kalego.

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8) Mephisto

Japanese name	Mephisto
Age	Around 24
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

Mephisto is one of the newly named Thirteen Crowns. He is known as the king of board games.

His face was hidden during the Deviculum and was revealed when he encountered the misfits during their beach vacation. Not much is known about his abilities, other than that he didn't even need to lift a finger to destroy the Krakens that attacked them. Luckily, for now, he seems to be on Iruma's side. It looks like he will soon be part of history.

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7) Ancient Thirteen Crowns (excluding the three great ones and others mentioned separately)

Japanese name	N / A
Age	N / A
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

The Thirteen Crowns are the governing council of the Netherworld which includes the most powerful demons in society.

The current members of the are known to all be incredibly powerful. However, few have yet to reveal any of their abilities, so we cannot judge who may be stronger than who. Additionally, the Thirteen Crowns excel at different things, so we can't prioritize the strength of one ability over another. This is why we placed the rest in the same ranking.

These members include Belzebuth, Azazel Henri, Paimon, Astaroh and Amaymon. As the story progresses, we have to wait to learn the true extent of their powers.

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6) Asmodeus Amaryllis

Japanese name	Asmodeus Amrillis
Age	N / A
Bloodline Ability	N / A
Hair color	Pink
Eye colour	Magenta
Status	Alive

One of the thirteen most powerful crowns holding the 9th rank [Tet], Asmodeus Amaryllis is known as the leader of lust in the underworld. She is the loving mother of Alice, who also has a crush on Iruma.

Amu-chan generally appears cheerful and flirtatious, but can quickly abandon her cheerful personality to reveal something much more sinister. Her menacing aura is strong enough to make Opera back down and she even slapped Narnia when he scared Iruma during the Deviculum. She hasn't revealed most of her abilities yet, but she is undoubtedly one of the Netherworld's people.

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5) Baal

Japanese name	bar
Age	N / A
Bloodline Ability	N / A
Hair color	Blond
Eye colour	YELLOW
Status	Alive

The main antagonist of the series, Baal is the leader of the Demon Reformation and also one of the Thirteen Crowns. He holds the title Lord of Thunder and is also known as the "Tactitian of the South".

Baal can wield and manipulate electricity. He hasn't shown the extent of his offensive abilities, but he is an incredibly intelligent demon. His subordinates managed to recruit Poro, and he is currently enjoying Princess Shura's favor after manipulating the situation at Deviculum.

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4) President of the Barbatos clan

Japanese name	N / A
Age	N / A
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

The president of the Barbatos clan is also one of the strongest characters in Iruma kun. Currently we do not know his name or identity, but according to Baal he is far more powerful than the current Thirteen Crowns.

Baal wanted to meet him, but Barbatos Bachiko was made a member of the Thirteen Crowns. She also reveals that the President will only arrive during wars.

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3) Amduscias Poro

Japanese name	Amduskias Polo
Age	N / A
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

Amdusicias Poro is a legendary demon who blocked enemy troops for 666 hours with a concert. Without a doubt, he is one of the strongest characters in Iruma kun. He served under Delkira with Sullivan.

During the music festival, he warned Sullivan that he might eliminate him. This shows how powerful he is. He has the most powerful musical magic.

As of now, the series hasn't revealed his true power, and we're pretty sure he's on the level of the Three Great Demons. Even then, his history and nature alone make him one of Iruma kun's strongest characters.

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2) Three great demons

Japanese name	N / A
Age	N / A
Bloodline Ability	N / A
Hair color	N / A
Eye colour	N / A
Status	Alive

The Three Great Demons are currently the most powerful in the Netherworld. These three great demons are Lord Sullivan, Lord Belial and Lady Levi.

All three hold the second highest rank in Tet, but their power is equivalent to Yodh (10), and they are candidates for the position of the next demon king, lord of all the underworld. The Big Three are the strongest Iruma kun characters, second only to Demon King Delkira.

is one of the most powerful and influential demons in the Netherworld. He hides his menacing personality beneath his cheerful and eccentric side. All the demons in the Netherworld think three times before angering him.

Sullivan served Delkira, the former Demon King, during his reign. He is a huge reservoir of power and knowledge. He has a strong affinity for magic and possesses the ability to manipulate time and gravity.

Lord Belial is one of the "Big Three" along with Lady Levi and Lord Sullivan, who have the second highest Rank 9: Tet. He is one of the candidates for the next Demon King.

He is one of the most influential and powerful demons in the Netherworld. The true nature of his powers has not yet been revealed.

Lady Levi is one of the “Big Three” with Lord Belial and Lord Sullivan. She is one of the candidates for the next Demon King. Like Lord Belial, the true nature of his powers has yet to be revealed.

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1) Delkira

Japanese name	Delcyra
Age	N / A
Bloodline Ability	N / A
Hair color	Dark purple
Eye colour	N / A
Status	N / A

Delkira is the strongest character in the Iruma kun series. It was the first one that had disappeared in centuries. In the manga, we know that he had the highest rank of Yodh.

However, the nature and extent of his powers have not yet been revealed. This instantly makes him the strongest Iruma kun character on this list.

The series showed that Sullivan and Amduscias Poro, the two most powerful demons, served under Delkira, the former demon king. No one is equal to his strength.

Here we conclude our article on “Top 30 Strongest Characters in Welcome to Demon School!” Iruma Kun. We hope you like it. We will come back with the next article on Iruma kun. Until then, stay tuned with us.