My favourite pokemon of each type (you can put your own in the comments if you want)

My fav types are fire and ground

grass: sceptile
fire: reshiram
water: palkia
normal: skitty
electric: xurkitree
psychic: necrozma
fighting: kommo-o
rock: nihilego
ground: zygarde (50% form)
flying: galarian moltres
bug: vikavolt
poison: naganadel
dark: yveltal
ghost: marshadow
ice: weavile
steel: perserker
dragon: rayquaza
fairy: xerneas

Grass : Decidueye
Fire : Litten
Water : Swampert
Normal : Silvally/LITERAL GOD
Electric : Jolteon
Psychic: Solgaleo/Lunala/Necrozma
Fighting : Buzzwole
Rock : Lycanroc
Ground : Zygarde
Flying : Rowlet(DECIDUEYE IS A GHOST TYPE)
Bug : Araquanid
Poison : Salazzle
Dark : Incineroar
Ghost : Decidueye
Ice : Alolan Vulpix/Alolan Ninetails/frostlass
Steel : Solgaleo
Dragon : Ultra Necrozma/Zygarde
Fairy : Alolan Ninetails

Grass : Sawsbuck
Fire : Cinderace
Water : Vaporeon
Normal : Silvally
Electric : Luxray
Psychic: Meowstick
Fighting : Urshifu
Rock : Lycanroc
Ground : Mudsdale
Flying : Decidudeye
Bug : Beautifly
Poison : toxtricity
Dark : Tyranitar
Ghost : Dragapult
Ice : Calyrex
Steel : Bisharp
Dragon : Haxorus
Fairy : Rapidash/slyveon (can’t decide lol)

Decidueye is a ghost type-

It is
???

Yes.
Grass and Ghost.

I never knew XD and I love the Pokémon Decidudye (wow I’m stupid)

Grass: Decidudye
Fire: Mega Charizard Y
Water: Vaporeon
Normal: Eevee/Arceus
Electric: Pickachu/Jolteon
Psychic: Don't have one
Fighting: Don't have one
Rock: Lycanroc(all forms, but Midnight to be specific)
Ground: Garchomp
Flying: Ho-Oh
Bug: Buzzwhole
Poison: Nahiligo
Dark: Howndoom/\Absol
Ghost: Gengar
Ice: Glaceon
Steel: Don't have one
Dragon: Palkia/Kommo-o
Fairy: Sylveon(Shiny)
Cosmic(Custom type I added for my own custom Poke'game): Inkeus