Hobobot

Hobobots are homeless robots from Shattered Glass Animated continuity family.

You can't see me!

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

Hobobots are essentially robotic hobos.

Fiction

Shattered Glass Animated

Sari Sumdac "convinced" a bunch of local hobobots to help her free the Autobots from Soundwave's VR world. They beat up HYBRID, then got chased off. The AllSpark Almanac Addendum

Notes

• The hobobots in question are presumably Shattered Glass equivalents of Wreck-Gar, Scrapper, and Snarl to fit with the parallel to "Human Error, Part II".