Larson is a Bandit who defrauded Goomther with a fake credit card in Paper Mario: The Thousand-Year Door. After he performed this crime, he wished to continue criminal actions; however, after Goomther told the Trouble Center, Larson began hiding in the hidden alley of Rogueport alongside Darkly. Larson's dialogue is generally the same throughout the game, but after each chapter his ending phrase changes. Larson's house contains blood stains surrounding a chalk outline of a Toad.