Because you like Caesar in Dawn of the Planet of the Apes

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

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

Tonya Harding has been shoved around her whole life. She just wants to feel free. See them in I Tonya.

Tamaki Suoh is always the star of the scene because he's the one making a scene. See them in Ouran High School Host Club.

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.

Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.

England may cultivate the image of a well-bred gentleman, but he has both the temper and mouth of a seasoned sailor. See them in Axis Powers Hetalia.

Love Quinn is a trained chef and excellent girlfriend, but she's hiding something dark. And bloody. See them in You.

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

If Yuri Katsuki can boost his confidence, he will win over the crowds with his artistry. See them in Yuri on Ice.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.