Unlock a bonus character to change the ending sequence. Each new character will change the ending sequence again.
The North American: Japanese version of the characters are as follows.
Barracude: Mr. Barracuda
Big Budo: Big The Budo
Bone Cold: Incio
Brocken Jr: Blocken Jr
Buffalo Rampage: Buffaloman
Dik Dik Van Dik: Gazelleman
Gold Rogue: Goldman/Goldmask
Grandpa: Kinniku Diaou
Kid Muscle: Kinniku Mantaro/Kinnikuman Nesei
King Muscle: Kinniku Suguru/Kinnikuman
Lord Muscle/Lord Wrangler: Kinnikuman Great
Ninja Ned: The Ninja
Poseidon: Neptune King
Prince Lou Ow: Prince Kamehameha
Rogue Shogun: Akuma Shogun
Street Scrapper: Kenkaman
Sunshine Supreme: Sunshine
Terry Kenyon: Terry The Kid
Vance McMadd: Harabote
Wally Tusket: Sieuchin
Successfully complete Kinkeshi mode.
Win team mode with the following teams (in order) Ramenman, Geronimo, Robin Mask, Poseidon, King Muscle; using this pattern: win one round with the character, lose the next round with that character, then use the next character to win one round, etc. Repeat this cycle until team mode has been completed.
Win tag tournament mode as Neptuneman and Big The Budo.
To play as Ricardo you need to win Mask Hunt mode.
After the first five machines are completed, a sixth machine with the final three Kinkeshi will be unlocked.
Win the tag tournament as King Muscle and Mongolman.
Play As Evil Ricardo:
Win tournament mode as Kid Muscle.
Collect 200 Kinkeshi toys and win tournament mode as Kevin Mask.
Win tournament mode as Kevin Mask.
Win tag tournament mode as King Muscle and Lord Muscle (tan costume and Prince Kame Hame moves)
Win tournament mode as Robin Mask
You must collect 100 Kinkeshi toys.
You must collect 50 Kinkeshi toys.
Unlock King Muscle then win Mask Hunt mode.
By getting ten wins in survival mode.