Shiny Spooky Hat Gengar : r/TheSilphRoad

Alva's Gengar, Pokémon Wiki

New Shiny! (Gengar)

Shiny Gengar Pokemon

Pokémon Duel - ID-509 - Shiny Gengar

Pokémon Go' Gengar Day Announced, Shiny Gengar Chance in Raid Battles

SHINY Gigantamax Gengar in Pokemon Sword and Shield

Evolving SHINY GASTLY TO SHINY GENGAR IN POKEMON GO

Shiny Gengar (vector) by Venjix5 on DeviantArt

Pokemon Scarlet and Violet Shiny Gengar 6IV-EV Trained – Pokemon4Ever

How to get Shiny Darkrai, Shiny Gengar, and Shiny Banette in Pokémon GO