Because you like Cookie Monster in Sesame Street

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

Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Although Borat has a curious mind, he has no filter, and some very out of date views on just about everything. See them in Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan.

Georgina Sparks uses beauty, brains, and power to always get her way. See them in Gossip Girl.

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.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.

Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.

Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.

Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.

A loyal dinosaur, Yoshi loves both saving the day and chowing down on a good meal. See them in Super Mario Bros..

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.