Because you like Slartibartfast in The Hitchhiker's Guide to the Galaxy

What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.

Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.

Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.

Otis Milburn's mom is a sex therapist, which doesn't help when it comes to being bullied at school. See them in Sex Education.

Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.

Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.