Morton's Koopa Clown Car represents the Tractor Trailer, a face vehicle with a black-and-white color scheme.
The stage represents the race courses at the end of each class in Stunt Race FX, which features a metropolitan city setting.
The music track represents the musical theme of Excite Truck, referencing the racing game genre of Stunt Race FX and the Tractor Trailer's semi-truck model.
Morton's favored Clown Kart Dash and the first battle condition reference how the Tractor Trailer is a powerful semi-truck in Stunt Race FX.
Other trivia:
This spirit's Braking Ability ↑ ability further references how the Tractor Trailer is a powerful semi-truck in Stunt Race FX.
In World of Light, the Tractor Trailer spirit is located at a building resembling Moray Towers in the southern city area in the Light Realm, similar to the stage's setting.
