Television supervillains

recurring character in the British television science fiction series Doctor Who

fictional character from Star Trek

The Simpsons characters

main antagonist in SpongeBob SquarePants

main antagonists in SpongeBob SquarePants

Krang (also spelled Kraang) is a supervillain appearing in Teenage Mutant Ninja Turtles-related media, most frequently in the 1987 animated series and its associated merchandise, such as the Teenage Mutant Ninja Turtles Adventures comic book and many TMNT video games. The character has endured as one of the franchise's most prominent antagonists and a major foe of the Ninja Turtles.

Sylar (Gabriel Gray) is a fictional character and a primary antagonist of the NBC superhero drama series Heroes. Portrayed by Zachary Quinto, he is a super-powered serial killer who targets other superhumans in order to steal their powers. He served as the primary villain of the first season and then as a recurring antagonist. Over the course of seasons 2, 3 and 4, the writers depicted Sylar attempting at various times and under different circumstances to become a hero or curb his desire to kill, undergoing relapses at various stages. In the series' penultimate episode he experienced over thre

Omni-Man (Nolan Grayson) is a character in American comic books published by Image Comics. He was created by writer Robert Kirkman and artist Cory Walker (with Ryan Ottley) as an expansion of a character concept created by Alan Moore and Chris Sprouse. Omni-Man is the father of Invincible and Oliver Grayson, and a member of the alien Viltrumite race, working as a superhero on Earth. Omni-Man appears in Supreme, Invincible, Noble Causes, and Dynamo 5.

character from "The Legend of Korra"

fictional character from the GI Joe universe

fictional character from the Power Rangers universe

Rassilon is a fictional character from the British science fiction television series Doctor Who. In the backstory of the programme, he was the founder of Time Lord society on the planet Gallifrey and its first leader. Rassilon was first mentioned in the 1976 serial The Deadly Assassin, where he was retconned into being a major establishing figure in Time Lord society, filling the role previously fulfilled by the character Omega. Despite his impact on Time Lord society, he was implied to be a cruel leader. He would later appear in the 1983 episode "The Five Doctors" in a physical appearance. In

fictional character on the fantasy television series Buffy the Vampire Slayer

Precursor to the Joker in the television series "Gotham"

fictional character from Buffy the Vampire Slayer

Buffy the Vampire Slayer villain