| “ | I won't trust both the Maverick Hunter and Reploid researcher. I don't know what you're thinking... I won't end up being betrayed and deleted! I will delete you first! | „ |
| ~ Commander Yammark |
Commander Yammark is of the eight Maverick bosses that appears in Megaman X6.
Yammark was a Reploid created by Gate to lead a team of nature preservation. During one of his missions he caused an accident that made him burn much of the forest. Despite him not accused of being the responsible for the accident, someone sabotaged their flight system during a maintenance which led to falling and dying. He was later resurrected by the Gate to be one of the Nightmare Investigators, he was in charge of the Amazon Area. Having grown a great deal of paranoia between him and the Maverick Hunters and the Reploid. He was then defeated by X or Zero in the game.
During hisa battle, Yammark uses his dragonfly drones to attack the player, he is also the easiest among the eight main bosses, since its standards are very unpredictable and easy to divert, His weakness is the Ray Arrow.