Because you like Charlie Kelly in It's Always Sunny in Philadelphia

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.

John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.

Funny, self-destructive, and in her own head, Fleabag has spent most of her adult life using sex to deflect from the screaming void inside her empty heart. See them in Fleabag.

A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.

Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.