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Pumper is a friendly member of the Guardians. He is occasionally portrayed as the brother of Dumper.


Fun Publications[edit]

RenegadeRhetoric Farewell Pumper.jpg

Transformers Timelines[edit]

During the Diaspora, Pumper was dispatched to Level 11 along with an assortment of Guardians and Renegades. Cultural Appropriation TFWikiFavicon.png

Renegade Rhetoric[edit]

Pumper, Dumper, and Bullseye were on Command Center 6 when they detected Cy-Kill near Galleon. They joined Command Center 14 in capturing Cy-Kill, although they suffered damages and lost one vessel in the process. The Long Game

Pumper was one of the Guardian who fell under the influence of Doctor Braxis and his Destabilizer Cannon upgrade. Once Braxis Twice Shy Part 2

Pumper and Staks were guarding a global summit on pollution. They were blasted by Zero and the Master Renegade when the villains stole an experimental algae. Trash and Treachery

At UNECOM, Pumper and Beamer failed to stop Crasher and a squad of Renegades from sabotaging an experimental aircraft, although Pumper did manage to wing Crasher as she escaped. Later, he acted as reinforcements for Leader-1's command team as they battled a pair of animal mechs. Bears and Bulls

"Echoes and Fragments"[edit]

In an unstable hybrid universe that incorporated both GoBots and Transformers, Pumper was aboard a Guardian shuttle bound for Earth when Megatron attacked and hijacked the ship. The Decepticons executed him while seizing the ship.

(Pumper only suffered this fate retroactively due to the machinations of Sideways and Gong. When the events actually took place in this hybrid timeline, it was an Autobot crew who were attacked by Renegades.) Echoes and Fragments


Gobots Pumper toy.jpg


  • Pumper (GoBot, 1983)
    • Friendly Robot Fire Engine
    • ID number: 10
    • Accessories: Ladder, gun
A repackaged import of the Machine Robo Fire Robo toy, GoBots Pumper converts from robot to fire truck.


  • Pumper's Cybertronian-style body in the "Cataclysm universe" is modeled on Combiner Wars Hot Spot with the head design of Combiner Wars Hook.