Ditto is part of a one-member family.
Ditto can disguise itself in wild as following Pokémon:
In past, Ditto used to disguise itself in wild as Weedle, Pidgey, Rattata, Zubat, Paras, Venonat, Mankey, Gastly, Voltorb, Magikarp, Sentret, Ledyba, Yanma, Zigzagoon, Seedot and Skitty, but after the release of their shiny variants, Ditto can no longer be disguised as them anymore.
- Ditto was released on November 23rd, 2016. 
- Shiny form of Ditto was released on Pokémon GO Tour: Kanto on February 20th, 2021.
|In wild since 2016 Nov 23|
Catch 10 Jigglypuff, Aipom or Snubbull: Detective Pikachu Celebration (appears as Zubat)
Make an Excellent Throw: Let's Go Celebration (appears as Pidgey)
- Ditto is only non-Legendary or Mythical Pokémon from the Kanto region that was not available with release of the game, as it possesses special move - Transform.
- Ditto can only transform once per battle. It will retain its first transformation for the duration of the battle.
- Following the conclusion of September 2018 Community Day event, players reported sightings of an undiscovered Pokémon which turned into Ditto once captured, and was later identified as Meltan.
- Ditto has been discovered.... Pokémon GO Live. Retrieved on 2016-11-24.
- page, on the official Pokédex website
- article, on the Bulbapedia
- Ditto article, on the Pokémon Wiki