Including the DLC's:
-Blipbug
-Dottler
-Orbeetle
-Nickit
-Thievul
-Gossifleur
-Eldegoss
-Wooloo
-Dubwool
-Yamper
-Boltund
-Sizzlipede
-Centiskorch
-Clobbopus
-Grapploct
-Galarian Zigzagoon
-Galarian Linoone
-Obstagoon (as mentioned)
-Galarian Corsola
-Cursola (as mentioned)
-Galarian Farfetch'd
-Sirfetch'd
-Galarian Mr. Mime
-Mr. Rime
-Galarian Yamask
-Runerigus
-Galarian Stunfisk
-Galarian Darumaka
-Galarian Darmanitan
-Galarian Ponyta
-Galarian Rapidash
-Dracozolt
-Arctozolt
-Dracovish
-Arctovish
-Caterpie
-Metapod
-Butterfree
-Weedle
-Kakuna
-Beedrill
-Type: Null
-Silvally
-Mime Jr.
-Mr. Mime (Kantonian)
-Lunatone
-Solrock
-Dhelmise
-Wailmer
-Wailord
-Mantyke
-Mantine
-Togedemaru
-Turtonator
-Drampa
-Morelull
-Shiinotic
-Honedge
-Doublade
-Aegislash
-Yamask (Unovan)
-Cofagrigus
-Helioptile
-Heliolisk
-Heatmor
-Durant
-Frillish
-Jellicent
-Sigilyph
-Maractus
-Mawile
-Skorupi
-Drapion
-Elgyem
-Beheeyem
-Shelmet
-Accelgor
-Karrablast
-Escavalier
-Togepi
-Togetic
-Togekiss
-Throh
-Sawk
-Binacle
-Barbaracle
-Wimpod
-Golisopod
-Shuckle
-Farfetch'd (Kantonian)
-Wynaut
-Wobbuffet
-Spritzee
-Aromatisse
-Swirlix
-Slurpuff
-Pumpkaboo
-Gourgeist
-Ferroseed
-Ferrothorn
-Onix
-Steelix
-Woobat
-Swoobat
-Roggenrola
-Boldore
-Gigalith
-Trubbish
-Garbodor
-Pyukumuku
-Wishiwashi
-Remoraid
-Octillery
-Goldeen
-Seaking
-Machop
-Machoke
-Machamp
-Tympole
-Palpitoad
-Seismitoad
-Cherubi
-Cherrim
-Klink
-Klang
-Klinklang
-Pancham
-Pangoro
-Nincada
-Ninjask
-Shedinja (thankfully)
-Krabby
-Kingler
-Stufful
-Bewear
-Natu
-Xatu
-Munna
-Musharna
-Dwebble
-Crustle
-Baltoy
-Claydol
-Vanillite
-Vanillish
-Vanilluxe
-Electrike
-Manectric
-Budew
-Roselia
-Roserade
-Bunnelby
-Diggersby
-Purrloin
-Liepard
-Pidove
-Tranquill
-Unfezant
-Buneary
-Loppuny
-Abra
-Kadabra
-Alakazam
-Bouffalant
-Lickitung
-Lickilicky
-Venipede
-Whirlipede
-Scolipede
-Tangela
-Tangrowth
-Staryu
-Starmie
-Emolga
-Carvanha
-Sharpedo
-Lillipup
-Herdier
-Stoutland
-Miltank
-Pinsir
-Whismur
-Loudred
-Exploud
-Cubone
-Marowak (Kantonian)
-Marowak (Alolan)
-Kangaskhan
-Smoochum
-Jynx
-Audino
-Nidoran (Male)
-Nidorino
-Nidoking
-Nidoran (Female)
-Nidorina
-Nidoqueen
-Tyrunt
-Tyrantrum
-Amaura
-Aurorus
-Absol
-Omanite
-Omastar
-Kabuto
-Kabutops
-Aerodactyl
-Zubat (somehow?)
-Golbat
-Crobat
-Tirtouga
-Carracosta
-Archen
-Archeops
-Spheal
-Sealeo
-Walrein
-Lileep
-Cradily
-Anorith
-Armaldo
-Relicanth
-Aron
-Lairon
-Aggron
Source: Spending almost a whole hour into this searching for it, I hope I dodn't miss any.