Here are some key things to know about Kyle:
* He's a self-proclaimed "cool kid." Kyle believes himself to be superior to Fanboy and Chum Chum, and he often makes fun of their geeky interests.
* He's obsessed with popularity. Kyle's main goal seems to be being the most popular kid in school, and he will do anything to maintain his image.
* He has a loyal sidekick named "Oz." Oz is usually the one who helps Kyle come up with his schemes to torment Fanboy and Chum Chum.
* He has a crush on Yo. Despite being a bully, Kyle has a secret crush on Yo, but he would never admit it.
Despite his negative traits, Kyle occasionally shows moments of vulnerability and even tries to be a good friend at times. However, he usually reverts back to his bullying ways, making him a recurring obstacle for Fanboy and Chum Chum.