You can give Ash any shiny(s) Pokémon you want, it can replace any

My First Shiny in KitaKami Has Been One of My Dream Shinies Ever Since Ash Caught It : r/PokemonScarletViolet

Pokémon Go Eevee evolution: How to evolve Eevee into Sylveon, Leafeon, Glaceon, Umbreon, Espeon, Vaporeon, Jolteon and Flareon

FULL SET of 6IV Ash Hat Pikachu! Square Shiny for Pokemon Sword and Shield

If Ash were to catch any Legendary Pokemon, which ones would you want him to catch? IMO, I think he should have caught a Celebi or Latias : r/pokemonanime

You can give Ash any shiny(s) Pokémon you want, it can replace any of his existing Pokémon or it can be completely new. Which shiny Pokémon would you give him? : r/pokemonanime

Lilligant-Hisui (F) @ Ability Patch, Ability: Chlorophyll, Tera Type: Grass, Shiny: Yes, Jolly Nature, - After You, - Petal Blizzard, - Solar Blade,

Pokemon Scarlet/Violet ✨ SHINY LILLIGANT Lv.100 Hyper 6IV Jolly Hisui Transfer

Pokémon Go Johto research quest steps and rewards: How to get Celebi and shiny Gyarados in Pokémon Go

How to get a shiny Pikachu in Pokemon GO

Pokemon Scarlet/Violet SHINY EGG AXEW ✨ ADAMANT 6IV Hatch Your Own Shiny OT Name