Because you like Vegeta in Dragon Ball Z

Sally Albright is high maintenance who she thinks she's low maintenance. But she's still worth it. See them in When Harry Met Sally....

As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

In constant agony, Ava Starr will do anything to give up the superpowers that are slowly killing her. See them in Marvel Cinematic Universe.

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

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

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.

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.