U-Haul Robot

The gladiator is an Autobot in the Generation 1 continuity family.

File:Aubotot gladiator.jpg

You've got the pre-Touch. You've got the pre-Power. Pre-Yeah.

He transforms into Rhi, the forgotten Beast Rider.

The gladiator is was originally a slave of the Quintessons forced to participate in gladiatorial games.

Later, he was holder of the Matrix, and presumably leader of the Autobots.

Later still, Megatron killed him.

Bummer.

Fiction

Animated continuity

FFoD3

From Teletraan I: The Transformers Wiki, a Wikia wiki.