Grendel sf00

Grendel's Season 1.0 appearance.

Grendel was a superheavyweight robot that competed in the first season of BattleBots. It was a large robot even for its weight class armed with a large spring-loaded spike hammer and painted to resemble a dragon. It was built by Daniel Rupert and his high school class, which made up Team Malicious. It was a revised version of his previous heavyweight, Malicious Mischief. After Season 1.0, Grendel was turned into the very successful Revision Z.

Grendel was named after a mythical monster that was slain by Beowulf.

Robot History

Season 1.0

Grendelvsdiesector season 1.0

Grendel gets its hammer into Diesector.

Grendel's first match was against Diesector. At the start of the match, Diesector had the advantage, zooming around Grendel, outmaneuvering and out speeding its spring-loaded hammer. However, Diesector drove into the spikestrip and stopped moving as one of its driver controllers had failed due to the battery having insufficient current. One of Diesector's hammers kept flailing away, but there was no movement from the wheels. Grendel finally managed to get a direct blow on Diesector with its hammer, piercing the shell. Another strike from the hammer did not cause as much damage, but Diesector had long since been immobilized and was counted out. This put Grendel in the quarterfinals, where it faced superheavyweight champion Minion.
Minionvsgrendel sf00

Grendel being pushed by Minion.

The two slowly approached each other at first, with Minion veering off to the left, before skillfully driving around Grendel, avoiding its axe and getting underneath it with its wedge. Minion used its far superior speed to slam into Grendel. Grendel managed a glancing blow on Minion, allowing Minion to drag it around. After eventually escaping the axe, Minion continued to ram Grendel, avoiding axe blows all the time. Minion won on a 7-2 judge's decision and Grendel was eliminated from the tournament.

Grendel wasn't finished, however, as it participated the superheavyweight rumble at the end of the tournament. It first struck Odin, then Abbatoir. It then started tormenting Prompt Critical. Then it attacks Rhino. Next it attacks Diesector until Minion interferes. It then sat on the floor for a while until Ronin bumps it. It then tackles Rhino but stopped moving again in the blue-square. In the end Minion was the winner.


  • Wins: 1
  • Losses: 1
Competition Wins Losses
Season 1.0 Diesector Minion

Mark Beiro Introductions

"Built to battle behemoths and bludgeon bots bloody. Get ready for 325 pound, pain producing pounds of GRENDEL!"

"Its 325 pounds of cylinder shattering piston pounding devastation. Introducing GRENDEL!"

  • Grendel unpainted.
  • Grendel's Season 1.0 stats according to the TV show.


Any appearances by Grendel in merchandise are listed below:

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