A member of the Micromaster Protectobots, Prowl fights against the forces of the evil Unicron. He forms the chest of Defensor. His relationship to any other "Prowl," including the three dozen others active in the conflict, is unknown.
- Prowl (Micromaster Protectobot, 2003)
- An exclusive to Kay-Bee stores, Prowl appears to have no significant differences from the Japanese 2002 re-release of Road Police, transforming into a police car Accura NSX and the chest of Defensor. Sold on an individual card, he came with Defensor's chestplate and head.