Because you like Martin Riggs in Lethal Weapon

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

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

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.

A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.

Genetically and cybernetically enhanced, Gamora was trained from birth to be one of the deadliest women in the galaxy. See them in Marvel Cinematic Universe.

Finn pulled off the impossible: he quit life as a Stormtrooper. Unfortunately, life only got more complicated after that. See them in Star Wars Series.

Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.