Because you like Rick Sanchez in Rick and Morty
Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Jillian Holtzmann's madcap mind is always whirring and she will transform anything into one of her machines. See them in Ghostbusters (2016).
Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.
Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.
Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.
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.