Because you like Ultron in Marvel Cinematic Universe

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

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.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

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.

There are men who embrace destiny and do not show their fear. These are the ones that change the world forever. See them in Dragon Age Series.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.