Mega Gengar (shiny) by Pokemonsketchartist on DeviantArt

Shiny Mega Gengar on Friday the 13th : r/pokemongo

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Shiny Mega Gengar by ElementalDraws on DeviantArt

Phantom Forces! by matsuyama-takeshi.deviantart.com on @deviantART (Gastly, Haunter, Gengar, Mega Gengar & Shiny Mega…

Finally got enough mega energy to mega evolve my fav shiny of all time - and right before Halloween 👻 : r/pokemongo