It appears the Covenant may have a traitor walking among them in Halo 2, seeing as one fan recently demonstrated a glitch that respawns his teammate as a Grunt. Known in their native tongue as the Unggoy, Grunts constitute the weakest of Covenant troops players will come across in the Halo games. The underlings typically spawn into battle in great numbers, armed with a plasma pistol or the occasional needler…
Halo 2 Player Manages To Spawn As A Grunt
John Buday: Digital Stories 