Because you like Rei Ayanami in Neon Genesis Evangelion

Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.

As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.

Wendy Testaburger is a born leader who is not afraid to stand up to the other fourth graders for what she believes in. See them in South Park.

Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.

Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.