In "Root Beer Guy," he is revealed to be a telemarketer who is working on a mystery novel. He witnesses Finn and Jake kidnapping Princess Bubblegum and tries to catch them, only to learn it was Princess Bubblegum who set up the scenario to test the Banana Guards' security capabilities. For solving the crime, he is made Captain of the Banana Guards. He formally appears in this role for the first time as "Captain Root Beer Guy" in "Rattleballs." He dies off screen in the episode "Something Big," due to an act of heroism. The episode itself is dedicated in his memory. Appearance