Because you like Christopher John Francis Boone in The Curious Incident of the Dog in the Night-Time

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

Don't let his old age fool you, Heihachi Mishima is a ruthless pragmatist who values self-reliance above all else. See them in Tekken .