Because you like Bowser in Super Mario Bros.
Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.
Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.
Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.
This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.
Surly and sarcastic, Manny travels alone and prefers it that way. See them in Ice Age.
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.
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.