As his name implies, Muskular is a very strong Star Spirit who likes to work out, first appearing in the original Paper Mario. He likes to wear a sailor's hat. This young Star Spirit is always full of energy.
He was guarded by General Guy and his troops in the Shy Guy's Toy Box. In Mario Party 5, Muskular is the guide of the mini-game mode.
- Power: Chill Out
- Power Obtained: Chapter 4: Trials in the Toy Box
- What it does: Decreases enemies' attack power by 3.
- Star Power needed: 2