Because you like Ultron in Marvel Cinematic Universe

Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.

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

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.

Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.

Eowyn isn’t allowed to fight, but then again, when have rules ever stopped her? See them in The Lord of the Rings.

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.

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.

Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.

Clay Jensen's friend Hannah is gone, and he is determined to find out why even if that brings him pain. See them in Thirteen Reasons Why .

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.