Because you like Alex Karev in Grey's Anatomy

With great power comes great responsibility, but Peter Parker always seems to get the short end of that bargain. See them in Marvel Cinematic Universe.

With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.

Phil Coulson is a deadly field agent with the demeanor of a friendly dad. See them in Marvel Cinematic Universe.

An ambitious man of science, Norman Osborn has become green with envy over Spider-Man's powers. See them in Marvel Cinematic Universe.

Though a painful tragedy leaves her closed off and distant, Rosalina is still an endlessly kind princess. See them in Super Mario Galaxy .

Amy Townsend rarely wakes up in the same bed twice. See them in Trainwreck.

Rayon is kinder to the world than the world is to her. See them in Dallas Buyers Club.

Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. See them in X-Men Series.

An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.

Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.