Because you like Sheldon J. Plankton in SpongeBob SquarePants

Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

Donatello might come off as a tad nerdy, but don't let his geekiness fool you. He's a trained ninja and a skilled fighter. See them in Teenage Mutant Ninja Turtles.

A smart, spunky, and incredibly skilled gamer, Art3mis has a revolutionary spirit. See them in Ready Player One.

Chef is a swinging bachelor and former R&B singer with a leopard-skin upholstered couch and some great stories. See them in South Park.

A confident celebrity, Allison Hargreeves wasn't quite careful enough about what she wished for. See them in The Umbrella Academy.

Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.

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

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.