Flatline

Flatline is a Decepticon featured in Transformers: Universe.

Biography
Flatline may not turn into a hearse, but he'll make you wish that you brought one along. A terrifying master of the elements, his favorite one to utilize is the element of surprise. When he's not busy filling Autobots full of lead with his pistols or sending them into oblivion with primal powers of the universe, he's healing his teammates up.

History
Flatline was part of the crew of the Leviathan when it shot down the Autobot ship Arclight over Central City. He and the other Decepticons on board went on to engage in a number of battles against the surviving Autobots in a number of places around the world.