Centrifuge

Centrifuge is an Autobot from the Generation 1 continuity family

He's the one on the right.

Centrifuge is "Doc"'s loyal and capable assistant.

Fiction

Wings of Honor

When "Doc" wanted to demonstrate the newly-developed Centurion droids on Around Cybertron, Centrifuge gave a demonstration of how the Centurions could comprehend and follow basic verbal commands. When they began to malfunction, he tried to cover for the problem by "ordering" the Centurions to carry him off. They did so and attacked him. As "Doc" assured Bishop that the bugs would be worked out before the Centurions went to market, Centrifuge returned to point out the importance of safety goggles. Around Cybertron #12