Guardian Prime

The name or term "Prime" refers to more than one character or idea. For a list of other meanings, see Prime (disambiguation).

You can't see me!

_{This character has no official visual representation in any Transformers product or media... yet, at least.}

Guardian Prime is an Autobot from the Generation 1 continuity family.

Guardian Prime is a former bearer of the Autobot Matrix of Leadership.

Fiction

Dreamwave Comics

Guardian Prime did not appear in any story material, but was included in the More Than Meets The Eye guidebook's list of "Known Matrix-bearers". He followed Alpha Prime and was himself followed by Sentinel Prime.

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