The blue Ryu represents Knuckle Joe, a stern martial artist who wears a blue fighter uniform and appears as the Assist Trophy enemy.
The stage represents the third mountainous stage of the "Revenge of Meta Knight" subgame in Kirby Super Star, which features Knuckle Joe as an enemy.
The battle conditions reference Knuckle Joe's Fighter Copy Ability, which allows Kirby to perform attacks similar to Ryu's attacks in the Street Fighter series.
Other trivia:
This spirit's Attack type and Fist Attack ↑ ability reference Knuckle Joe's ability to perform powerful punch attacks.
Comentário
A master of martial arts, Knuckle Joe is famous for his Vulcan Jab, Smash Punch, and Rising Break attacks, all of which he uses as an Assist Trophy. Kirby gains the Fighter ability when inhaling him, learning the same techniques. Knuckle Joe is always looking for the next great challenge, frequenting the Megaton Punch event to find powerful foes.
