Because you like Debbie Gallagher in Shameless

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

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.