Because you like Morticia Addams in The Addams Family

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.

Neurotic, motherly, and oh-so organized, Monica Geller is everyone’s favorite hostess, keen on settling down and starting a family - perhaps too much so. See them in Friends.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

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

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

SpongeBob SquarePants lives in a pineapple under the sea. Absorbent and yellow and porous is he. See them in SpongeBob SquarePants.

Meticulous Arthur is always prepared, but he may not be ready to be the point man in the criminal world of dream sharing. See them in Inception.

Mikey Waters would rather sell his body than rob anybody. See them in My Own Private Idaho.

Whether it's randomly bursting into song or writing Nancy Drew fan-fiction, Jess proudly marches to the beat of her own drum. See them in New Girl.

A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.