The Four Protos

The Four Protos( or basically The 4 Machines Trio) is a group of one of the most 4 of the strongest machines on earth and are considering as the toughest teams Each of these machines looks identical to Robotboy,but slightly more different.

Members

 * Waltenboy - A robot that have the ability to form into a ball and switches back to his four legs(While on Superactivated Mode; he's got two tentacle-like arms and got an unfortunate habit of munching obstacles while using his sharp fangs).
 * Aviaboy - A robot that have the ability to switch from a regular robot to a majestic soaring robot bird with agility of a swift and keen feat of a falcon.
 * Grandio - A robot that has the ability to think on his feet and the sturdiest of his metallic shell can even able to withstand projectiles attacks and nuclear explosion.
 * Protoboy - Robotboy's older ex-brother, and now, he is currently one of the overall leader of the Four.