Because you like Big Bird in Sesame Street

Leatherface's moods change with his masks. See them in The Texas Chainsaw Massacre.

Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .

This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

After years of living vicariously through other people's heroic stories, Wade Watts is about to become a hero himself. See them in Ready Player One.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.

Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

Zeratul is cryptic, mystic, and not to be messed with. See them in StarCraft .

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Sophia Burset will teach you how to navigate the prison world and maybe how to make cute shower shoes from commissary items too. See them in Orange Is The New Black.