Normal: Eevee
Fire: Volcorona or Alolan Marowak
Water: Greninja
Grass: Nuzleaf
Electric: Jolteon
Bug: Scyther
Flying: Gliscor
Poison: Seviper
Rock: Archeops
Ground: Krookodile
Steel: Escavalier and Scizor
Psychic: Elgyem
Fighting: Timburr
Ice: Weavile
Ghost: Dusknoir
Dragon: Noivern
Dark: Bisharp
Fairy:Whimsicott
Normal: Helioptile
Grass: Roserade
Fire: Slugma (it’s so cute ^o^)
Water: Primarina
Bug: Mothim
Flying: Swellow
Electric: Galvantula
Psychic: Gallade
Ground: Quagsire
Rock: Carbink
Fighting: Riolu
Ghost: Mimikyu
Poison: Salazzle
Ice: Glaceon
Dark: Umbreon
Fairy: Florges
Steel: Steelix
Dragon: Kingdra
Normal:Miltank
Fighting:Lucario
Flying:Altaria
Poison:Koffing
Ground:Trapinch
Rock:Golem
Bug:Sewaddle
Ghost:Gengar
Steel:Steelix
Fire:Charizard
Water:Quagsire
Grass:Venasaur
Electric:Magnezone
Psychic:Alakazam
Ice:Glaceon
Dragon:Dragonite
Dark:Absol]
Fairy:Sylveon
That’s all of my type Favourites
there’s a lot i can’t choose between…i love a lot of pokemon but i don’t think i could ever have just one of each as favorites qwq
i can say for absolute certain that lucario, noivern, zorua/zororark, and ninetales are often permanent members of my teams, though. 
normal: eevee, stufful, silvally, audino
fire: vulpix/ninetales and braixen
water: oshawott/dewott/samurott
grass: treeko/grovyle/sceptile, decidueye
electric: ampharos, luxray, raichu
bug: scolipede, cutiefly
poison: ivysaur
flying: shaymin (sky forme)
rock: rockruff/lycanroc (midday)
ground: flygon
steel: jirachi
fighting: riolu/lucario
ice: alolan vulpix/ninetales, glaceon
ghost: banette, giratina, pumpkaboo, mimikyu, marshadow
psychic: mew, espeon, gardevoir, latias/latios
dark: zorua/zoroark, umbreon, alolan meowth, deino
dragon: noivern
fairy: sylveon
It’s been two years since i’ve posted in this thread, might as well update!
Some were hard to pick so theres multiple… sorry
Normal: Furret/Eevee/Skitty
Grass: Torterra/Lurantis
Fire: Arcanine
Water: Popplio
Bug: Scollipede
Flying: Emolga
Electric: Raichu (Also my favorite pokemon of all time)
Psychic: Meowstic Male
Ground: Phanpy
Rock: Rhyhorn/Minior
Fighting: Stufful
Ghost: Rotom
Poison: Nidorino
Ice: Lapras
Dark: Umbreon
Fairy: Primarina/Cutiefly
Steel: Klefki
Dragon: Tyrantrum/Dratini