Because you like Satsuki Kiryuin in Kill la Kill
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
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.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.