Because you like Drusilla in Buffy the Vampire Slayer
Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .
The cutest kitty this side of the galaxy, Nepeta Leijon is mischievous, caring, and obsessed with romance. See them in Homestuck.
Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
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.
There's no obstacle too great for this charismatic treasure-hunter. See them in Uncharted.
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.