Because you like Steve Stifler in American Pie
Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.
Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.
Quiet and brooding, Ennis Del Mar keeps his true passions close to the chest. See them in Brokeback Mountain.
Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.
This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.
Thor is Asgardian nobility who is tickled by how us earthlings live. See them in Marvel Cinematic Universe.