Maelstrom

Maelstrom is a Decepticon in the Transformers: Rise of the Chevy Autobots portion of the Movie continuity family.

Maelstrom is the general of Mainframe's drone army. A near perfect replica of Mainframe, he is nearly indestructable.

Fiction

Bumblebee's Mission Log

After the Autobot known as 10-22 tracked down the location of Mainframe's Arctic headquarters, Maelstrom was deployed to defend the base, forcing the Chevy Autobots to face him in combat.

From Teletraan I: The Transformers Wiki, a Wikia wiki.