
"Massive grabber from a hole on the spiked moon of the Quintesson planet, from the animated Transformers movie."

"Close shot of the junk lined corridor of the Junkion planet, from the Transformers series."

"The Crystal of Power from "Fire on the Mountain"

"The mechano-beast, from the animated Transformers movie."
Sabrblade has also looked at the image closely, and figured out its actual identity:
A closer examination reveals this to be the combined form of the enigmatic Anibots, who were the prototypical Predacons conceived as an Autobot subgroup instead of Decepticons. So, it isn't actually something that existed in anything official.
The smaller text reveals even more:
"The Anibots: Rhinoceros (Clump), Eagle (Shriek), Lion (Simba), Buffalo (Thump), & Leopard (Pardo).They combine to become the 'Mechano-Beast'. This is the end of the three versions. The 1st version looks like a monster with outer spiketail structure & transforms a second time to an alien spaceship. The 3rd version is a 'Hydra' with five heads. The 'Mechano-Beast' in simplified form."