|Alternate modes||Giant mechanical alligator|
|Series||Transformers: Generation 1|
Transformers: Generation 1
Skullcruncher's Headmaster partner is named Grax.
Skullcruncher was one of the main villains in the Japanese Transformers: Headmasters series.
Skullcruncher originally appeared in the four issue The Transformers: Headmasters comic, where he was binary bonded to his Headmaster partner Grax.
- Generation 1 Headmaster Skullcruncher with Grax (1987)
- A new mold.
- Jim Sorenson & Bill Forster (July 22, 2008). Transformers: The Ark II. IDW Publishing. pp. 52–53. ISBN 978-1-60010-180-9.
- John Grant (1988). Decepticons at the Pole. Ladybird Books. ISBN 0-7214-1068-5.
- Simon Furman (w), Guido Guidi (p). "Generations 2011" The Fierce Fighting on Planet Nebulos 2 (2011), Japan: Takara Tomy
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