Jocko is one of Lawson's friends. He is in 5th (later 6th) grade at Third Street School and is also a bully and a jock. Jock has brown hair and wears a dark red sweatshirt and blue shorts. In the episode "Soccer Boy," it is revealed that he went to soccer camp and has a talent for headers.
Father: Unknown father
Mother: Unknown mother
Friends: Earwin Lawson, Gelman, Conrad Mundy, Greg Skeens, Chucko Kowalski, Jocko, Buster, Cheay, Koreo, Lazy Kid, Sue Bob Murphy and Kurst the Worst
Enemies: Miss Finster, Principal Prickly, TJ Detweiler, Vince LaSSao, Ashley Spinelli, Gretchen Grundler, Mikey Blumberg, Gus Griswald, Randall Weems and Menlo
Likes: Going to fast food places, football, playing against TJ and Vince in sports such as kickball, dodgeball, baseball, soccer and other sports, making fun of his enemies including TJ and his friends, causing trouble and beating Vince at something
Dislikes: Being grounded, being snitched on by Randall, losing to Vince and getting punished
His name is a pun of the word "jock".