C. Errera

Corporal C. Errera was a Non-commissioned officer (NCO) in the UNSC Marine Corps. He was present at the Fall of Reach during the Human-Covenant War, and served as a Sniper Spotter.

Biography
He intercepted a conversation between two Unggoy soldiers, Mehmep being one. The soldiers talked of the tension between the Sangheili and the Jiralhanae within the upper levels of the Covenant government, also speaking of a Chieftain named Bracktanus.

Corporal Errera is listed as KIA after the Fall of Reach.

Trivia

 * His name is a reference to Claude Errera (username Louis Wu), webmaster and administrator for Halo.Bungie.Org, one of the most popular Halo fan sites.