The doommushoom girls are group of young girls who are friends and work for Boswer Jr. They are not really sucessful in their jobs, which makes both Boswer and the koopalings think their a mistake of hiring. They are all powerless, but three of them are superhumans with power. They debuted in Super Mario Apprentice. Usually in Mario Party games, when Boswer has his minions defeated in four stages, Boswer Jr. requested they attack but Boswer then tells him not to talk about or even send "those failures".