Starmen (スーパースター) are a species of Star-Like beings that aid and try to stop Luigi in his adventures. Starmen are also used as Power-Ups by the Mario Bros. Starmen are major protagonists/antagonists/items in SuperSpy Luigi.
A Super Star from the Mushroom Kingdom.
Starmen from Yoshi's Island
The Starmen from Dreamland. They look like little Superheroes.
A Shine Sprite, another Starman species from The Mushroom Kingdom.