20+ Evil Cartoon Characters

One of the most memorable villains in the history of animation, the Wicked Witch of the West has haunted children’s dreams since her first appearance in the 1939 classic The Wizard of Oz. Her evil nature stems from a thirst for power and revenge that she pursues relentlessly, even at the cost of harming innocent people. Her lasting popularity comes down to that iconic look and Margaret Hamilton’s unforgettable performance, which left a permanent mark on pop culture.

Vicky is a recurring antagonist in the Nickelodeon series The Fairly OddParents (2001-2017). A cruel and sadistic babysitter, her evil actions are driven by a love of power and her delight in tormenting the protagonist, Timmy Turner. She’s genuinely nasty, though her role in a light-hearted kids’ series probably keeps her out of the running for the evilest cartoon character of all time.

The Lich is the antagonist of the Cartoon Network series Adventure Time (2010-2018), an ancient and powerful being whose sole purpose is to bring about the end of all life. His evil is embodied in his skeletal appearance and pure desire for destruction. He’s one of the darkest characters in animation, even if the show’s quirky, fantastical nature keeps the overall tone from going fully bleak.

In Disney’s 1997 animated film Hercules, Hades is the sarcastic, cunning god of the underworld. His scheming is driven by a desire to overthrow his brother Zeus and rule Mount Olympus. That quick wit and fast-talking humor, paired with his fiery blue hair and the outstanding voice work of James Woods, make him one of Disney’s most entertaining antagonists.

The Simpsons mixes humor and satire with a lineup of unforgettable villains, and Sideshow Bob is the standout. A former children’s-TV sidekick, Bob embraces his evil side by seeking revenge on Bart Simpson, the boy who exposed his crimes. His intelligence, eloquence, and theatrical flair make him an enthralling antagonist, though his place in a comedic series, and his occasional flickers of redemption, leave it up for debate whether he’s truly the most evil cartoon character.

HIM, a mysterious and sinister villain in The Powerpuff Girls (1998-2005), embodies “pure evil” through his supernatural powers and unsettling, androgynous design. He delights in instigating chaos and despair, manipulating others into carrying out his plans. He radiates menace, though the series often balances his darkness with lighter, comedic moments, which keeps him from claiming the “most evil” crown outright.

In Disney Channel’s Gravity Falls (2012-2016), Bill Cipher eagerly takes on the main-antagonist role, a powerful interdimensional demon who thrives on spreading chaos and destruction. His manipulative streak, enigmatic motives, and eye-catching triangular design make him a memorably sinister villain, even if his playful attitude and occasional comedic beats stop him short of “most evil in animation.”

The Despicable Me franchise puts a unique twist on the evil character with Gru, a supervillain whose arc transforms the series. With his quirky personality, comical antics, and eventual change of heart, Gru is a fresh take on the concept. Voiced by Steve Carell, he initially takes pride in his evil deeds and competes to out-scheme other villains with grand heists, including his most ambitious plan of all: stealing the moon. His loyal army of Minions assists every caper and adds a heavy dose of comedy to his villainy.

Dr. Heinz Doofenshmirtz stumbles and charms his way through Disney’s Phineas and Ferb (2007-2015) as its lovable antagonist. Driven by a thirst for revenge over countless perceived past injustices, his evil streak shows up in his amusing attempts to conquer the Tri-State Area with an array of inventive “-inator” devices. His engaging rivalry with his nemesis, Perry the Platypus, and his eccentric personality make him one of the most entertaining cartoon villains around.

Plankton is the primary antagonist of the long-running SpongeBob SquarePants (1999-present). As the owner of the perpetually unsuccessful Chum Bucket, his evil actions are driven by a single obsession: stealing the secret Krabby Patty formula from his rival, Mr. Krabs, so he can finally win at the fast-food game. His scheming, treacherous behavior, and famously small size have made him a fan-favorite villain.

Mojo Jojo is the primary antagonist of The Powerpuff Girls (1998-2005), an intelligent talking simian with an oversized brain. His evil is driven by a craving for world domination and revenge against his creator, Professor Utonium. The combination of intelligence, megalomania, and that distinctive, gloriously repetitive manner of speech makes him a uniquely memorable animated villain.

Azula, from “Avatar: The Last Airbender,” often gets labeled “bad” or “villainous” for her actions and motivations, but it’s worth distinguishing a morally bad character from a poorly written one. As a villain, Azula is complex and superbly crafted, with a deep backstory that adds real depth. Daughter of Fire Lord Ozai and sister to Prince Zuko, she shows remarkable firebending prowess and excels in combat, and her rare ability to generate and control blue flames, combined with her tactical genius and cunning, makes her a formidable threat to the heroes.

The 1996 Disney adaptation of Victor Hugo’s novel casts Judge Claude Frollo as its primary antagonist. His villainy springs from hypocrisy, a hunger for power, and a relentless persecution of anyone he deems sinful or undesirable. His fixation on the gypsy Esmeralda consumes him and ultimately triggers his downfall, and his distorted moral compass, captured in his hauntingly dark song “Hellfire,” makes him one of Disney’s most complex and memorable villains.

Megatron, the ruthless and powerful leader of the Decepticons across the Transformers animated series and films, is villainy distilled. His ambition to conquer the universe and defeat the Autobots, led by his arch-nemesis Optimus Prime, fuels everything he does. That fearsome design, combined with his cunning and unrelenting quest for power, cements him as a classic, enduring antagonist in animation.

Aku, the shape-shifting demon and primary antagonist of the Cartoon Network series Samurai Jack (2001-2004, 2017), embodies pure evil. His wickedness stems from a hunger for power, chaos, and destruction. His striking design, inspired by Japanese mythology and art, and the deep, menacing voice provided by Mako Iwamatsu (and later Greg Baldwin), make him a truly unforgettable villain.

The Joker, one of pop culture’s most iconic and complex villains, is at his best in Batman: The Animated Series (1992-1995). His chaotic, unpredictable personality, rooted in a tragic and enigmatic backstory, drives his evil, and the twisted sense of humor, unmistakable laugh, and love of theatrics make him a fan favorite. Mark Hamill’s iconic voice acting only cements his popularity.

In Disney’s The Lion King (1994), Scar, Mufasa’s treacherous brother and the film’s main antagonist, is the archetypal evil cartoon character fueled by jealousy and ambition. Driven by his desire to seize his brother’s throne, Scar commits atrocious acts, including murder. His cunning, manipulative nature and his memorable musical number “Be Prepared” establish him as one of animation’s most popular and enduring villains.

Maleficent, the self-proclaimed “Mistress of All Evil” from Disney’s Sleeping Beauty (1959), is fueled by betrayal and anger after being excluded from Princess Aurora’s christening. Her dark, commanding presence and her ability to transform into a dragon make her one of the most popular figures in the Disney villain pantheon. The 2014 live-action film Maleficent later expanded her story, adding depth and exploring her more complicated motivations.

Disney has long been a major source of evil cartoon characters, and one of the earliest and most influential is the Evil Queen from Snow White and the Seven Dwarfs (1937). Her motivation is rooted in jealousy and vanity, a desire to be the fairest of them all. This classic tale of envy and obsession has resonated with audiences for generations, making the Evil Queen a timeless symbol of the destructive power of vanity.

Ursula, the iconic evil female cartoon character, is the primary antagonist of Disney’s “The Little Mermaid” (1989). A manipulative, cunning sea witch, she uses her dark powers to bend the underwater world to her will, plotting to overthrow King Triton and seize control of Atlantica. To do it, she tricks Ariel into a dangerous bargain, trading her voice for human legs, exploiting the young mermaid’s vulnerability in her relentless quest for power. Her striking design, fusing human and octopus elements, is a defining part of what makes her so memorable.