Major Havoc

 I will crush every bone organ and limb in your body ye wench -Major Havoc to Misttrail.

We really don't know what happened to him after WWIII he just suddenly disappeared out of nowhere - Ryan to Jack about Major Havoc's disappearance.

Major Havoc is a Sgt Major who served during the war against the Eternal Empire he went M.I.A after Armageddon and was never founded in the year of 2167 to 2777.