Because you like Rarity in My Little Pony
Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.
Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.
Quirky teen Carly Shay is the director of her own life story. See them in iCarly.
Vanellope von Schweetz is princess of the Sugar Rush game who could care less about being royal. See them in Wreck it Ralph.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.
Adrian Agreste is a charming rich teenage boy, model, and hero in a catsuit. See them in Miraculous: Tales of Ladybug & Cat Noir.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
The pasta-loving, skirt-chasing personification of North Italy, Feliciano Vargas is decidedly a lover, not a fighter. See them in Axis Powers Hetalia.