Zurvan

A Primal Zerg, he was native to the planet Zerus like all other of his kind. He saw the creation of the overmind long ago. For unkown reasons he was in a deep state of slumber when he was found by the zerg swarm, it is also unkown how long he had been slumbering, regardless he was feed several pices of meat which awakened him .He aided Sarah Kerrigan when including to the point were she reverted into her primal form within a chrysalis but later betrayed her by adapting to absorb her essence but failed and Kerrigan killed him. He was physically the largest individual terrestrial breed of Zerg known.