A robot that first appeared in its splintered form: Triplon Unit 1and the humanoid Triplon Unit 2 and Triplon Unit 3. Triplon is deployed to the Desert of Death to execute Deathgaron for his incompetence before serving as an escort to Maribaron. When Nexticker is destroyed, the Triplon Units capture Shigeru and overwhelm Kotaro and Joe before they are captured. But when RX achieves the form of BioRider, the Triplon Units dock into United Triplonwhich BioRider destroys with his Bio Blade. Episodes 15-17, Movie