|Location(s)||Shy Guy's Toy Box|
|Info||He is the fourth Star Spirit, and he was imprisoned in Shy Guy's Toy Box by General Guy|
|Tattle 1||Unknown edit|
|Tattle 2||Unknown edit|
Muskular is the fourth Star Spirit, and is imprisoned by General Guy of Shy Guy's Toy Box and his Shy Guy troops. After defeating him, Mario is given the Chill Out attack, which decreases enemy attack power.
| Star Spirits: Eldstar | Mamar | Skolar | Muskular | Misstar | Klevar | Kalmar
Star Kids: Twink