CJ Miller, a volunteer cleaner and freelance dancer and choreographer, has become a breakout viral figure during the 2026 Commonwealth Games in Glasgow. Known as “Mop Man,” he performs comic, high-energy dance routines while doing routine cleaning around sporting events, turning ordinary maintenance time into crowd entertainment. Footage shared by the Games’ official social media accounts shows Miller taking to the court or playing area with a mop and surprising spectators with dance moves such as the worm and splits. He performs to popular songs, including Queen’s “I Want to Break Free” and Cameo’s “Candy,” before returning to complete his cleaning duties. Local coverage also describes similar routines delighting spectators at events such as basketball and bowling matches. Miller has said he did not expect the posts to spread widely, describing his decision to “go full send” while working as a deliberate choice. He also credits the performance’s high energy and jokes about inspirations after people compared his vibe to rapper Cardi B. While athletes compete for medals, Miller’s impromptu routines have drawn significant online attention and audience reaction throughout the Games.