Gmax eevee cant be shiny, if it is, it’s a hacked mon and an obvious one at that.
bruh u can
“the special Gigantamax Pikachu/Eevee are Shiny locked. They also have guaranteed 6IVs, so the IVs are also locked. The only things that aren't locked about them are their Gender, their Nature, and in Eevee's case, their Ability”
this is true