Blendo had the first effective implementation of the full-body kinetic energy spinner weapon that became common in Robot Wars. The robot had a shell made from a wok and was spun by a lawnmower engine. Blades attached to the shell caused damage to its opponents, removing bodywork and in some instances causing them to be thrown over the polycarbonate safety shields into the audience.
It first competed in the second Robot Wars competition in San Francisco (1995). After two fights (against robots Namreko and DoMore) it was deemed too hazardous to compete by the event supervisors and the insurance company after throwing pieces of its opponents over the arena walls. It was given co-champion status in exchange for withdrawing from the competition. Blendo returned in the fourth Robot Wars competition in San Francisco (1997), after the height of the arena walls had been increased to prevent debris from reaching the audience. In this competition, Blendo again fought two robots (Hercules and Punjar), and quickly defeated both. After causing damage to the arena walls in both matches Blendo was again asked to withdraw in exchange for co-champion status.
Blendo would later compete in a total of four BattleBots competitions. However, Blendo had little success in BattleBots. A combination of a stronger arena design capable of containing the energy Blendo released, stronger robots able to take multiple hits from Blendo, multiple copycat designs, and Blendo's own tendency to tear itself apart caused it to be defeated in its first match in all four BattleBots events in which it competed.
- 'Gearheads' by Brad Stone, ISBN 0-7432-2951-7
- Combat Robot Hall of Fame Archived February 24, 2007, at the Wayback Machine.
- Account of the match between Hercules and Blendo at RobotCombat.com
- Ask Jamie: On Killer Death Robots and Robot Bloodsport, video interview with Jamie Hyneman, July 17 2013, tested.com