Mr. Nadira
From DoomWiki.org
Mr. Nadira is a character in Doom RPG.
Mr. Nadira worked on mind control research, experimenting on canine neurology. As a result of his experiments, he developed the Dog Collar which can be used to control Hellhounds. However, he is secretly working for Kronos.
When encountered in Doom RPG, he initially hides his intentions, explaining the purpose of the dog collar. However, he deceives the player, sending the hellhounds to attack the player, whose weapons he has confiscated. The player is forced to use the dog collar to defeat the hounds.
Nadira returns in Sector 6, where he is betrayed by Dr. Guerard and ultimately killed by a Cacodemon.