Because you like Amethyst in Steven Universe
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Soos Ramirez is a loving doofus man-child. See them in Gravity Falls.
Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.
Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.
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.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Ahape-shifting dog, Jake is the last man's best friend. See them in Adventure Time.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.
A grumpy tourist trap owner, Grunkle Stan has a few deep secrets. See them in Gravity Falls.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.