Fictitious name of a Jaffa under the command of Hathor. He pretended to be the commander of Stargate Command in the year 2077, hoping to interrogate SG-1 and learn of the threats to Hathor's power base.
Trofsky may have been Hathor's First Prime.
Out of Mind - Major General Trofsky does his best to reintroduce SG-1 into 2077 Stargate Command, later revealing himself to be an underling of Hathor.
Into the Fire - Trofsky continues to fight against SG-1 and a contingent of Earth troops who have arrived on the planet to retrieve the flagship unit.