Because you like The Spirit of the Puzzle in Yu-Gi-Oh!
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.
Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.
For Lee Everett, every day is now just another struggle to collect supplies, find other survivors, and stay alive. See them in The Walking Dead (Video Game).
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
Yuri Plisetsky's a hotheaded punk off the ice, incredible artist on it. See them in Yuri on Ice.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.