Whenever is in the party, all of the Pokémon below it will be invisible, because it is treated as the cancel button. The party will then be unable to be healed at any Pokémon Center and can only be healed via items. If is moved to the bottom of the party, all other Pokémon will once again be visible and will be able to be healed at a Pokémon Center. Once faints, it can only be healed by using a Revive or similar item.
When encountered
Whenever the player battles , it will be frozen and have a broken HP bar, and any attempt to access the party screen will cause a white-out to occur.
All the effects of the ZZAZZ glitch activate when is battled.
This glitch Pokémon article is part of Project GlitchDex, a Bulbapedia project that aims to write comprehensive articles on glitches in the Pokémon games.