Because you like Sheldon J. Plankton in SpongeBob SquarePants

Wario is greedy, gross, and gluttonous. See them in WarioWare.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.

Dee Reynolds is selfish, narcissistic, and a target of extremely cruel ridicule. See them in It's Always Sunny in Philadelphia .

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.

It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.

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