Because you like Milhouse Van Houten in The Simpsons
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.
Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Once a handsome prince, the Beast is now a grumpy, furry, monster. It's hard to pinpoint which mammal he resembles the most. See them in Beauty and the Beast.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.
A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.