Because you like David Nolan in Once Upon a Time

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.

Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.

Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.

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

Brandon Teena is an adventurous young man with the courage to be himself. See them in Boys Don't Cry.

Kiara Carrera is a hippie socialist who likes sea turtles more than people. See them in Outer Banks.

A photographic memory is just one of many skills Lexie Grey brings to the table as a surgeon. See them in Grey's Anatomy.

Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.