Poplin is a friendly recurring character in Super Mario Bros. Wonder who belongs to the Poplin species, the colorful residents of the Flower Kingdom. Poplins are known for their cheerful personalities and helpful roles throughout the game, often assisting Mario and friends as they travel through the kingdom. Unlike many characters in the Mario series, Poplin is not presented with a separate first and last name; the name itself functions as the character’s full name. Poplin serves as a supporting ally rather than a combat-focused character.