The Adjutant is a machine created (or captured) by Depfester, who uses it like a puppet. The Adjutant was portrayed as the main atagonist of Season 6, aside from Derpfester himself.
Season 3[]
(super Derpfester)
StarCrafts Season 3 Ep 23 Protoss Party (seizure warning)
(golden Derpfester)
The Adjutant's first appearance in StarCrafts was an overlooked cameo in the background of Derpfestor's command center in TVT.