Heiron

Heiron is a Genii from the Pegasus Galaxy. He was part of the contingent, led by Toran, that was hired by Mardola to kill John Sheppard, Rodney McKay, as well as her youngest sister Harmony, who would become queen. He was assigned to guard the Ruins of Larris. He was shot with a Wraith stunner by Sheppard.

Behind the Scenes
Heiron is played by Extra's Jerry Penacoli who did a Behind the Scenes Special about the filming of "Harmony".