Kecleon

Kecleon is an unreleased Normal-type Pokémon from the Hoenn region. It does not evolve into or from any other Pokémon.

Trivia

 * After Chikorita Community Day on September 2018, Ditto appeared in abundance disguising itself as Kecleon for players in Singapore  . Both it's name and CP were replaced with "???".
 * For players in other parts of the world, Ditto disguised itself as Meltan under the same conditions as Kecleon.