Toadsworth is a steward to Princess Peach, with his first appearance being in Super Mario Sunshine. He is constantly worrying about the Princess, as well as the other Toads. He speaks with an English accent, often saying English phrases such as "pip pip!"
He has made various appearances in Mario games, usually as a cameo of some kind. His only playable appearance was in the Mario Baseball series, where he was on Peach's team. In Mario Power Tennis, he was the referee. He appears in Mario Party 7 as the host of the boards, as well as the host of the Toad Houses in New Super Mario Bros.