The stage theme for Tidal Whale is a remix of Bubble Crab's stage theme from Mega Man X2
- Capcom U.S.A. renamed the Mavericks in Mega Man X5 and named them after the musicians in the band Guns 'N Roses. Here are the American names of the Mavericks (proper names in parentheses): Grizzly Slash (Crescent Grizzly), Squid Adler (Bolt Kraken), Izzy Glow (Shining Firefly), Duff McWhalen (Tidal Whale), The Skivver (Spiral Pegasus), Axel the Red (Spiked Rosered), Dark Dizzy (Dark Necrobat), and Mattrex (Burn Dinorex)..
- X's Gaea Armor comes with a rather amusing Giga Attack: X copies Chun-Li's Street Fighter Zero Super Combo, Kikoushou, as his Giga Attack.
As with Mega Man 8
and Mega Man X4
, the opening and ending song were changed from the Japanese version of the game. The opening theme in the Japanese version was a song called "Don't Make A Monkey Out of Me", which was performed by Japanese punk band Mosquito-Milk
. The opening theme in the American version is simply the same music as played on the title screen.