Dedenne is a small rodent-like Pokémon that resembles a mouse, a hamster or a gerbil. Most of its round, pudgy body is a vibrant orange color, and it has a cream-colored belly. It has a very long black wire-like tail and spiny black whiskers on its reddish-orange cheek patches. It has small oval ears that are black on the outside with cream-colored insides. Dedenne has small black eyes, a tiny black nose, and small sharp incisor teeth. Its feet and paws are short and stubby, with tiny digits.