Topman

Topmen are enemies that first appear in Super Mario Galaxy. They resemble Tops and are always spinning, trying to attack Mario. They appear in the Battlerock Galaxy and the Dreadnought Galaxy. They travel throughout space in flying saucers and are led by Topmaniac.

Trivia

 * It is interesting to note that Topman is also the name of a boss in the Megaman series, who fights by throwing tops at his enemies. Whether this is a coincidence or not is unknown.