Stufful is a tiny quadrupedal bear-like Pokémon with a pink coat of fur. Its four legs are brown with pink pads.Its head is large in comparison to its body. Its ears are mostly white but, are pink where it connects to its head. There's a white ring surrounding its face. It has a small white snout with a black nose. Its mouth is so wide that it almost reaches across the ring. It has round black eyes. It has a round pink tail with darker pink stripes. A white tag-like sticks out its butt.
Stufful's cute appearance and fluffy fur makes it very popular. Its small demeanor hides its strength with its powerful hits taking down tough Pokémon. It doesn’t really like being touched though. It hates being hugged tightly and will flail its arms in protest.