Kyle is a character that appeared in "The Tan Aquatic with Steve Zissou". He is Chris Griffin's bully in the episode, despite being younger and smaller than Chris.
Kyle takes Chris's job as the newspaper boy and puts Chris out of business. Afterwards, Chris learns that his best customer, Herbert, has made Kyle his new paper boy. Chris decides to confront them both, but ends up getting pushed over by Kyle and ridiculed by him and his gang, subsequently returning home in tears, much to Peter and Lois' concern. Peter goes to talk with Kyle, who then makes fun of him over and over. Unable to handle his anger toward Kyle, Peter then beats him up aggressively in revenge for insulting him and bullying Chris, leaving Kyle bleeding and bruised, later Lois demands that he apologize to him. Kyle forgives him telling him he would've done the same thing in that situation. This leads Peter to become a bully himself. This became one of Lois' mistakes.