Split Mushroom

Split Mushroom (スプリット・マシュラーム) is a trouble-making Maverick in Mega Man X4. He was once in charge of operations at a Bio laboratory, but when the lab was decommissioned he was disposed of. Mushroom was later resurrected by Sigma to work as one of his agents during the Repliforce War. He reactivated operations at the Bio Laboratory as a distraction to draw the attention of the Maverick Hunters, based on his orders to challenge and test, X and Zero's abilities.

He is very agile and has the ability to create clones of himself, and if given the chance, he'll send out some damaging powder as well. Electricity is his weakness, so depending on who is being played, strike him with Lightning Web as X or Raijingeki as Zero.

Most bosses show the ability gained by the player during the fight. X's Soul Body is reminiscent of Split Mushroom creating image clones of himself. Zero's Kūenbu and Kūenzan is reference to Split Mushroom's jumping in the air and spinning.

Stage enemies
Enemies in Split Mushroom's stage, the Bio Laboratory.
 * Sub-boss: Tentoroid
 * Batton Bone B81
 * Blast Raster
 * Death Guardian
 * Dejira
 * Guardian
 * Hover Gunner
 * Spiky Mk-II
 * Tentoroid BS
 * Tentoroid RS
 * Togerics

When Playing as X
Split Mushroom: Are you X? I'm under orders to terminate you.

X: What?! Who's orders?

Split Mushroom: Take a wild guess.

When Playing as Zero
Split Mushroom: You made it this far. I'm impressed! You interested in a real challenge?

Zero: Who's your commanding officer?

Split Mushroom: Never mind that, it's time to fight!

Trivia

 * Split Mushroom's attack pattern is similar to that of Gemini Man's from Mega Man 3, as they both create clones of themselves that run back and forth. However, Split Mushroom's clone doesn't react to Mega Man's movements like Gemini Man's does.
 * He is the only Maverick to be based on an organism of the Kingdom Fungi.
 * Split Mushroom is one of the two Mavericks in Mega Man X4 to be affiliated with Sigma, having Sigma's insignia instead of the Repliforce's; the other being Cyber Peacock.
 * There's a grammatical mistake in the dialogue between Split Mushroom and X. X says, "What!? Who's orders?", when it should be, "What!? Whose orders?"