Because you like River Song in Doctor Who

A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..

While he might drive colleagues crazy with his antics, Jake Peralta cares about the Nine-Nine more than most things. Including personal hygiene. See them in Brooklyn Nine-Nine.

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.

The incomplete experiment of an inventor, Edward Scissorhands was left with blades instead of hands and an unpolished understanding of the world. See them in Edward Scissorhands.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.