The three orange Wolfs and the black Dog from Duck Hunt ally represent the Toy Poodle, an puppy with an orange color scheme who appears as the Nintendog Assist Trophy enemy.
The stage and music track represent the Country Home featured in Nintendogs, which features the Toy Poodle as an optional puppy.
Other trivia:
This spirit's Support type references the Toy Poodle's appearance as the Nintendogs Assist Trophy in the Super Smash Bros. series.
This spirit's Stats ↑ after Eating ability references how the dogs of Nintendogs can increase their stamina by being fed.
