Klefki

Klefki is a small, grayish-white Pokémon resembling a key ring with four keys on it. It has a spherical head with a white face and a small, pink oval on its forehead. Two black circles and a keyhole form its eyes and mouth. Below its head is its pink, teardrop-shaped body with a white marking in the middle. Extending from the top of its head is an appendage, which resembles an old-fashioned key with two wide, blunt teeth. A thin loop surrounds Klefki, and connects at either side of the "key". Hanging from the loop are various keys that this Pokémon has collected.

It sneaks into homes and steals keys, taking a liking to master keys. If Klefki finds a key it likes, it will never release it. To threaten attackers, this Pokémon jingles its key collection. It inserts its key-shaped horn into chinks in metal, absorbing metal ions. It used to live in mines, but has begun to move into human settlements ever since the minerals that make up its diet became scarce. Klefki is the only Pokémon capable of learning Fairy Lock.