Jason is Dumb Donald's cousin who loved to prank-play on people, but didn't realized that his jokes got out of hand, until somebody gets hurt.
Jason was first seen with Dumb Donald telling some silly jokes. Dumb Donald later introduces him to the guys who were building a race track for their car. His welcome quickly wears out when his various pranks cause nothing but trouble. One prank results a clubhouse TV being damaged, forcing the gang to earn money to buy a new one. unfortunately, another prank from Jason ruins their efforts. Mudfoot later tells him and the gang about an episode of Legal Eagle dealing with the similar situation. However, Jason dosen't take the lesson to heart when he pulls another prank that results in Bucky getting injured and unable to compete in a skate race. Witnessing what happened to Bucky, Jason asks if he's alright, however, the gang tells him he's not and they angrily tell him they've had enough of his pranks. Fat Albert tells him that it would be beast if he didn't hang out with them anymore, leaving Jason ashamed and guilty. He decides to make it all up to them by getting the gang a new TV and giving up his prank playing tricks for good.