Decker Decker based on a Machine Robo toy that was never adapted into the GoBots line, and therefore only exists in fiction and as a repurposed Machine Robo toy.
In the story Cultural Appropriation by Fun Publications it was revealed that Apollo, Breez, Bullet, Decker Decker, Hi-Way, Jack-Attack, Loco, Pow Wow and Vain Train were sent to explore Level 29 when the Cataclysm threatened to destroy the GoBots home universe.
Decker Decker was featured in the 2016 Ask Vector Prime story Echoes and Fragments, set during the events of The Transformers: The Movie. The manipulations of the evil Gong and Sideways resulted in various GoBots, Rock Lords and Starriors swapping places with characters during the events of that film. Spoiler, Decker Decker, Tank, Loco, Stretch, Vain Train, and Geeper-Creeper participated in the attack on Autobot City.
Decker Decker appeared in the Transformers: Renegade Rhetoric episode 25 story "Brother's Keeper". He among the crew of a primitive Guardian ship which returned to GoBotic space after a long mission and was captured by the Renegades.
- Machine Robo MR-27 Doubledecker Bus Robo (1983)
- Turns from robot to doubledecker bus. This toy was repurposed as Decker Decker.
- Jim Sorenson (w). "Echoes and Fragments" Ask Vector Prime (February 10th, 2016), Fun Publications
- "Brother's Keeper". Written by Jim Sorenson. Transformers: Renegade Rhetoric. November 11th, 1986/October 19th, 2015. No. 25, season 1.
- "Combiner Wars Part 1". Written by Jim Sorenson. Transformers: Renegade Rhetoric. December 11th, 1986/February 5th, 2016. No. 64, season 1.