Topper

Topper is a Broodal/Rabbit that appeared in Super Mario Odyssey. In SMG4, he appeared in SMG4: The Smash 5 Trials as one of the winners presented by Master Hand.

Trivia

 * Oddly enough despite making his first (and so far only) Mario appearance in Super Mario Odyssey, Topper and his siblings are not present in Stupid Mario Odyssey nor it's sequel.