Great Cannon
- Great Cannon is a Decepticon from the Operation Combination portion of the Generation 1 continuity family.

Great Cannon (グレートカノン Gurēto Kanon) is (most likely) the leader of the Battle Gaia team, which means he is (probably) the second-in-command to the Decepticon Scrash. He combines with his teammates to form the mighty Battle Gaia.
... look, they're not giving us a lot to work with here, okay?
Fiction
United EX
When Onslaught succeeded in purloining a set of drones intended for Choppermaster, a new combiner, Battle Gaia, was created from his old body's data. After reporting his success to Scrash, Onslaught released Battle Gaia in order to create a distraction that would allow him to continue his thefts. Prelude to the Siege
Operation Combination story pages
Great Cannon served as the torso to Battle Gaia. Big Pinch, Autobots! The Decepticons' Attack on Earth! Conclusion
Wars manga
As part of Battle Gaia, Great Cannon was stationed aboard Metrotitan during an attack on Scramble City. Metrowars
Toys
Operation Combination
- Battle Gaia (Multi-pack, 1992)
- Japanese ID number: TF-10
- Accessories: Rifle, chestplate, twin cannon
- Great Cannon is a redeco of Onslaught, transforming into a longnosed truck cab with extended trailer bed and a large double-barreled cannon. Using the Scramble City-style of combination, he can form the torso to any combination of limbs. He was only available as part of the Battle Gaia giftset.
- This mold was also used to make 2001 Robots in Disguise Mega-Octane.
Notes
- Like most of the Battle Gaia team members, the Great Cannon depicted in the July 1992 issue of TV Magazine (as seen above) has some color differences compared to the retail version; in his case, the version of the toy released at retail has a darker grey abdomen.


