Because you like Crowley in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.

Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

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

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

Jacob Kowalski is just a baker caught up in an otherworldly adventure. See them in Fantastic Beasts and Where To Find Them.

The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.

Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.