Kytano
From The Stargate Omnipedia
First Prime of the minor Goa'uld Imhotep. Following the collapse of the Second Goa'uld Dynasty, Imhotep was determined to come to power, and resorted to disguising himself as his own First Prime,
The fate of the real Kytano is uncertain, though it is likely that Imhotep would have killed him in order to execute his ruse.
KEY EPISODE
The Warrior - Teal'c and Bra'tac join the Jaffa rebellion led by a charismatic warrior named Kytano, only to learn that he is the Goa'uld Imhotep.