The black Little Mac wears blue trunks, representing Riki, a melee fighter who features a distinctive hairstyle, wears blue shorts, and uses quick punching attacks.
The stage represents the main setting of the River City series, which mainly takes place in a metropolitan city.
The music track represents the musical theme of Excite Truck, an entry in the Excite series which was first released on the NES along with the River City series.
The Beastball and Soccerball items reference how Riki participates in the Hanazono High School's sports clubs, which includes soccer and baseball.
Little Mac's favored Straight Lunge references Riki's signature move, the Mach Punch, which allows him to perform quick and powerful punches.
Other trivia:
This spirit's Fist Attack ↑ ability references Riki's signature move, Mach Punch.
