Leech

Colonel Leech is a member of the United States military experimental weapons division under General Rufus "Mad Dog" Madison.

History
After Madison was told by the United States government that his weapons project was being shut down, Colonel Leech had informed him that their spies in the Pentagon had discovered that William Fowler was running a rival department based in Jasper, Nevada. which appeared to have stolen Robotic battle suit designs from Madison's department. When Madison set a trap for the ursurpers on a Deep Driller oil platform, Leech piloted one of the department's battlesuits in combat against the rival department's battlesuits, only for them to discover that they're actually Transformers.

Later, he was taken away in a troller.