Because you like Sideshow Bob in The Simpsons

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.

If there's power in being average, Mikado Ryugamine will find it and use it. See them in Durarara!!.

Rapunzel's dreams might be even bigger than her hair. See them in Tangled.

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.