Best cartoon evil scientists

The Brain is a classic example of a megalomaniacal genius, constantly devising elaborate plans for world domination with his dim-witted sidekick, Pinky. His iconic status and the show's clever writing ensure his continued relevance as a prime cartoon evil scientist.

Dr. Drakken is a memorable evil genius whose grandiose plans are consistently thwarted by Kim Possible, making him a beloved and frequently cited cartoon villain. His blend of genuine scientific prowess and comical ineptitude ensures his place on this list.

Mandark serves as Dexter's arch-rival, a child prodigy with his own secret laboratory, constantly trying to outdo and sabotage Dexter. His sinister laugh and unrequited crush on Dee Dee make him a unique and enduring evil scientist.

Mojo Jojo is an iconic super-intelligent chimpanzee whose verbose speech and elaborate schemes to destroy the Powerpuff Girls make him a standout evil scientist. He is arguably the most recognizable villain from the series.

Plankton is a brilliant but perpetually failing evil genius, constantly attempting to steal the Krabby Patty secret formula. His consistent presence in 'SpongeBob SquarePants' makes him highly current and relevant.

Professor Calamitous is a unique evil genius whose brilliance is constantly undermined by his inability to finish anything, leading to comical failures. His distinct quirk makes him a memorable figure among cartoon evil scientists.

Doctor Nefarious is a theatrical robot who despises organic life and seeks to transform all living beings into robots. His prominence in animated adaptations of the 'Ratchet & Clank' franchise maintains his relevance in the cartoon sphere.

Dr. Gero is a vengeful scientist responsible for creating powerful androids and bio-mechanical beings to exact revenge on Goku. His central role in a major 'Dragon Ball Z' saga ensures his enduring relevance.

Mayuri Kurotsuchi is a sadistic and cruel scientist who views everyone as objects for his experiments, embodying a truly evil scientific mind. His resurgence in the 'Bleach' anime adaptation reaffirms his status as a prominent anime scientist.

Caesar Clown is a notorious and cruel scientist, an expert in chemical weapons of mass destruction who conducts horrific experiments. His role as a major antagonist in a significant 'One Piece' arc maintains his relevance.

Evil Morty is a highly intelligent and manipulative variant of Morty who uses advanced scientific knowledge and strategic planning for nefarious schemes. His role as a formidable recurring villain in 'Rick and Morty' makes him very current and relevant.