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Rock Lords character
Slimestone toy on card
First appearance

GoBots: Battle of the Rock Lords, March 21, 1986
Created by

Voiced by

Michael Bell
Species Robot Rock Lord
Occupation Evil Rock Warrior


Magmar's tribe
Rock type

Silvery: A shiny plating that covers a slimy charchter

"Ahhh. This oil bath feels great! Now I'm going to sling some slime!"

Slimestone is a fictional character from the Rock Lord series introduced in 1986. He is an evil Rock Lord under the command of Magmar.

Rock Lords

Slimestone is an evil robotic Rock Lord in Magmar's tribe. He turns into a silver rock and has a Slime Gun.


The Slimestone prototype, seen in some Tonka literature, had a different head, and black interior color, much like his animation model in the film.


Fictional biography

Slimestone is a rock warrior with a different personality. Short, squat, and disgustingly sinister, Slimestone enjoys wallowing in pools of boiling oil. Slimestone delights in using his slimegun to smear enemies with evil-smelling sticky stuff thats impossible to get off!

Animated series

Slimestone in GoBots: Battle of the Rock Lords

Slimestone appeared in the 1986 film GoBots: Battle of the Rock Lords. He was voiced by Michael Bell.


The 1986 Rock Lords Coloring Book by Golden, a division of Western Publishing, revealed Slimestone as a robot.[1]


Fun Publications


In the story Cultural Appropriation by Fun Publications it was revealed that Rock Lords Saberstone, Slimestone, Stone Hook and Tombstone teamed with the GoBots Dozer, Good Knight, Hans-Cuff and Royal-T to explore 59th Level when the Cataclysm threatened to destroy the GoBots home universe.


Slimestone 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. When the Autobots crashed on Quartex Tombstone sent Slimetstone to inform Magmar. He later joined Spearhead in flanking the Autobots from the South.[2]


In Transformers: Renegade Rhetoric episode 43, "Of Rocks and RoGuns Part 1", Slimestone observed Marbles and Squirt spying on Magmar and pursued him with the aid of Sticks 'N Stones.[3]

Marbles got away from Slimestone in the episode 44 story "Of Rocks and RoGuns Part 2".[4]

In episode 65, "Combiner Wars Part 2" Magmar's forces were defeated, presumably including Slimestone, and they were rounded up.[5]

Telepictures Publications

Slimestone was among Magmar's minions in "Conquest of the Command Center!" by Telepictures Publications the Summer of 1986.[6]

Slimestone was among Magmar's forces in "Update From Quartex" by Telepictures Publications in Winter 1987. In the story Magmar's forces attempt to force Boulder's troops into a lava river, but they are saved when Nuggit charges in with several Rockasaurs to help.[7]


Magmar and his tribe in Powerful Living Rocks Face a Deadly New Peril

Slimestone appeared in the 1986 Tonka pack-in comic story "Powerful Living Rocks Face a Deadly New Peril".[8]


  • Bandai Rock Lords Slimestone (Europe, 1986)
A recolor of Machine Robo: Revenge of Cronos Magnarock.
Turns from humanoid to rock. Comes with his Slime Gun.
  • Tonka Rock Lords Slimestone (US and UK, 1986)
A release of Slimestone for most the US and UK.



  1. Rock Lords Coloring Book. Golden. 1986. 
  2. Jim Sorenson (w). "Echoes and Fragments" Ask Vector Prime (February 10th, 2016), Fun Publications
  3. "Of Rocks and RoGuns Part 1". Written by Jim Sorenson. Transformers: Renegade Rhetoric. November 12th, 1986/January 5th, 2016. No. 43, season 1.
  4. "Of Rocks and RoGuns Part 2". Written by Jim Sorenson. Transformers: Renegade Rhetoric. November 12th, 1986/January 6th, 2016. No. 44, season 1.
  5. "Combiner Wars Part 2". Written by Jim Sorenson. Transformers: Renegade Rhetoric. December 12th, 1986/February 5th, 2016. No. 65, season 1.
  6. Paul Kirchner (w, a). "Conquest of the Command Center!" GoBots Magazine (Summer 1986), Telepictures Publications
  7. Paul Kirchner (w, a). "Update From Quartex" GoBots Magazine (Winter 1987), Telepictures Publications

External links