Sarconis

Sarconic was one of the Goa'uld underlords to the System Lord Marduk during his reign. After Marduk's imprisonment by his own Jaffa priests, Sarconic attempted to take control of the planet Zigara by claiming to be a messenger of Marduk. The priests of that planet, wary of this "messenger", attempted to contact Marduk's "home office" and discovered the true fate of their "god"; this lead them to accept what had long been whispered, that the Goa'uld were not true gods. The Zigarans rebelled against Sarconic and, after a short-lived battle, managed to kill him as well as many of the local Jaffa who did not join the rebellion.