Eevee evolved into Umbreon by GlassPanda on DeviantArt

Evolve Eevee into Epseon, Umbreon, Jolteon, Flareon or Vaporeon

Pokemon Go Eevee Evolution: How to get Vaporeon, Flareon, Jolteon

Mega Pokémon Every Eevee Evolution Toy Building Set Vaporeon Jolteon Flareon Espeop Umbreon Leafeon Glaceon Sylveon - Action Figures - AliExpress

Pokemon Go Eeveelutions: How to evolve Eevee into Leafeon, Glaceon, Umbreon

Pokémon Go Umbreon guide – how to evolve, counter, and use

Umbreon, Sonic Pokémon Uni-Pedia Wiki

How can we evolve Eevee into Umbreon in Pokemon Go? - Quora

Eevee Evolutions - Umbreon by ImmortalTanuki on DeviantArt

If you haven't used the Eeveelution naming trick, nicknaming Eevee will make the Evolve button show the Eeveelution. (Works for Espeon/Umbreon too) : r/TheSilphRoad

Eevee Evolution: All Eeveelution methods Pokemon Scarlet and Violet