Jerry is one of the Magikoopas from Mario & Luigi: Bowser's Inside Story that form the Magikoopa Mob. He and several others are trapped in a cage by Fawful and imprisoned behind a locked door in Peach's Castle. After the Magikoopas are freed, Jerry and several others get into a squabble over what they are going to do to honor Bowser for rescuing them, much to Bowser's annoyance.