Because you like Bret McKenzie in Flight of the Conchords
George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.
Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.
This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.
After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..
Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.
Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.