Stealth TF/GI Joe crossover figure: GI Joe Classified Series, Cobra Mole Rat (Dark Energon zombie)

Technically not a Transformers figure, but one steeped in the lore of TF Prime.  

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G.I. Joe is a highly skilled special operations force of men and women from around the globe. tasked with defending the world from Cobra, a ruthless criminal organization bent on total domination. Prepared to seek out Cobra in any environment on the planet…wherever there’s trouble, G.I. Joe is there. New to the G.I. Joe Classified Series line, Mole Rat comes ready for adventure, with multiple points of articulation for high poseability. This Mole Rat figure contains 7 character-inspired accessories including backpack , scanner, cannister, mutated head, and a drill trigger with drill bit and weapon accessory; plus a footlocker to stow all his gear! While Cobra headhunts top scientists and researchers from across the globe, less-qualified recruits wind up as Mole Rats, quarriers and miners seeking new energy sources to power Cobra’s war machine. Extracting deposits of volatile Dark Energon has sparked certain troopers to become mindless husks bent on destroying anything in their path.

G.I. Joe Classified Series Mole Rat, Collectible G.I. Joe Action Figure (6"), 94 - Walmart.com