| “ | Are you X? I'm under orders to terminate you. | „ |
| ~ Split Mushroom |
Split Mushroom is one of the eight Mavericks bosses that appears in Megaman X4.
Split Mushroom was a Reploid who was charge at the Bio Laboratory operations. When the lab was deactivated the Split Mushroom was also deactivated plus it was revived by Sigma. Now as a Maverick, Mushroom reactivated and strengthened the Bio Laboratory. He then takes orders to end X and Zero, plus he also attacked anyone who appears only for fun. He was later confronted and defeated by the Maverick Hunters.
Split Mushroom begins the fight by jumping on a wall and soon after releases Soul Body, after where Split Mushroom creates clones of itself in hologram formats he will then throw himself at the player and after that he jumps in the middle of the arena and spreads dust, thus creating a replica of himself and he will run around the arena in a circular way, jumping and colliding on the player while doing so. His weakness is Lightning Web and Raijingeki.