Because you like Mason in Boyhood

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.

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

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.

A former child mayor fallen from grace, Ben Wyatt is still trying to pick up the pieces years later. See them in Parks and Recreation.

Santana Lopez is a cutthroat cheerleader who's not afraid to speak, or sing, her mind. See them in Glee.

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

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