Board Thread:Suggestions forum/@comment-27324018-20160315173350/@comment-27324018-20160315213206

Gen. Grievous1138 wrote: The Uruk-hai of Isengard were imperfect copies of Sauron's design. The Black Uruks of Barad-dûr were used in Sauron's personal guard, and were the best of the best. Gundabad Uruks are supposed to be Bolg's Bodyguards, who were Moria Uruks, who were Black Uruk deserters.

Gen. Grievous1138 (admin) comlink 19:50, March 15, 2016 (UTC) Source? Not to be rude, but I've never seen this info anywhere in lore.