Because you like Joey Gladstone in Full House

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.

Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.

Frank N. Furter is just a sweet transvestite with some not-so-sweet plans. See them in The Rocky Horror Picture Show.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Indiana Jones is a swashbuckling archeologist who hates snakes, Nazis, and priceless artifacts falling into the wrong hands. See them in Raiders of the Lost Ark.

With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.