A member of the Micromaster Protectobots, First Aid fights against the forces of the evil Unicron. He forms the right leg of Defensor. His relationship to any other "First Aid" is unknown.
- First Aid (Micromaster Protectobot, 2004)
- An exclusive to Kay-Bee stores, First Aid is a (slight) redeco of Sireen. He came with Defensor's right foot.