Because you like Brain in Pinky and the Brain
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.
David Rose likes his rose chilled, his linens pressed, and his family quiet. See them in Schitt's Creek.
The chronically bizarre Dwight Schrute is the world’s most dependable assistant to the regional manager. See them in The Office.
Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
A self-proclaimed diva, Mercedes Jones is on the hunt for a stage worthy of her talents. See them in Glee.
Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.