Sigma (シグマ Shiguma), formerly referred to as "Commander Sigma", is the primary antagonist of the Mega Man X series. He serves as the final boss in all mainline games in the series except Mega Man X8 where he is the penultimate boss in Normal and Hard mode. Once the noble leader of the Maverick...

Proto Man (ブルース, lit. "Blues") is a major supporting character in the Classic series, introduced in Mega Man 3. He is Mega Man's "brother" and original prototype, created by Dr. Light but abandoned before Mega Man was made. Proto Man looks similar to Mega Man, but wearing red and grey armour...

Uses sprites from Project X Zone and has gameplay style similar to the Touhou fighting games; AI by Holn included Includes MvC conversion by Lilmac

"I see, we were both made by Wily. Hand in hand, become the true ultimate one, doesn't sound bad. But I will do things my way, which is first to knock you out!" ―Bass, Rockman & Forte: Mirai Kara no Chōsensha Bass, known as Forte (フォルテ Forute) in Japan, is a Robot Master created by Dr. Wily...

"Poor child...you should've known you can't beat me. " ―Air Man, Mega Man (Archie Comics) Edited by CrazySuitWalkin Air Man by Laspacho, DarkCipherLucius, Magma Dragoon, Daniel Cozer, O Ilusionista Versiondate: 2019,12,01 I've been looking around...

A version of Mega Man X that is a keepaway character and relies on projectiles, however his projectiles use power which means he cannot spam them as much as he wants. But he even comes with a fullscreen attack from the source game.

Robo-Len by Ukege; most of the specials are influenced by the Special Weapons from Megaman 2nd file: AI Patch by Ouchi