- Do Not Do This Cool Thing: Lucas Gilbertson landed the role of Zero while playing hooky. He only bailed out since his sister was with him.
- Name's the Same: The Resistance soldier who gives his life shares the same name later used for a Mega Man ZX protagonist: Aile.
- Relationship Voice Actor: In the English release, both Zero and Ferham are voiced by siblings.
- What Could Have Been:
- Concept art◊ shows the original Mega Man with a redesigned look, as well as Cut Man, hinting that they were going to be in the game in some capacity.
- Silver Horn had the temporary name "Trine Canonhorn" (トライン・カノンホーン?) during his development, and a Mechaniloid similar to him, Twin Barrel (ツインバレル?), was planned to appear in the latter half of the game.
Trivia / Mega Man X: Command Mission