Electric

1. Pikachu

Bug

1. Caterpie > Metapod (Pure) > Butterfree (Primary)
2. Heracross (Primary)
3. Sewaddle > Swadloon > Leavanny (Primary)

Normal

1. Pidgeotto > Pidgeot (Primary)
2. Tauros
3. Snorlax
4. Noctowl (Primary)
5. Taillow > Swellow (Primary)
6. Aipom
7. Starly > Staravia > Staraptor (Primary)
8. Pidove > Tranquill > Unfezant (Primary)
9. Fletchling (Primary)

Flying

1. Pidgeotto > Pidgeot (Secondary)
2. Butterfree (Secondary)
3. Charizard (Secondary)
4. Noctowl (Secondary)
5. Taillow > Swellow (Secondary)
6. Starly > Staravia > Staraptor (Secondary)
7. Gligar > Gliscor (Secondary)
8. Pidove > Tranquill > Unfezant (Secondary)
9. Fletchling > Fletchinder > Talonflame (Secondary)
10. Hawlucha (Secondary)
11. Noibat > Noivern (Primary)
12. Rowlet (Secondary)
13. Dragonite (Secondary)

Grass

1. Bulbasaur (Primary)
2. Chikorita > Bayleef
3. Treeko > Grovyle > Sceptile
4. Turtwig > Grotle (Pure) > Torterra (Primary)
5. Snivy
6. Sewaddle > Swadloon > Leavanny (Secondary)
7. Rowlet (Primary)

Poison

1. Bulbasaur (Secondary)
2. Muk
3. Poipole (Pure) > Naganadel (Primary)
4. Gengar (Secondary)

Fire

1. Charmander > Charmeleon (Pure) > Charizard (Primary)
2. Cyndaquil > Quilava
3. Torkoal
4. Chimchar (Pure) > Monferno > Infernape (Primary)
5. Tepig (Pure) > Pignite (Primary)
6. Fletchinder > Talonflame (Primary)
7. Litten > Torracat (Pure) > Incineroar (Primary)

Water

1. Squirtle
2. Krabby > Kingler
3. Lapras (Primary)
4. Totodile
5. Corphish
6. Buizel
7. Oshawott
8. Palpitoad (Primary)
9. Froakie > Frogadier (Pure) > Greninja (Primary)
10. Dracovish (Primary)

Fighting

1. Primeape
2. Heracross (Secondary)
3. Monferno > Infernape (Secondary)
4. Pignite (Secondary)
5. Scraggy (Secondary)
6. Hawlucha (Primary)
7. Riolu (Pure) > Lucario (Primary)
8. Farfetch'd > Sirfetch'd

Psychic

1. Mr. Mime (Primary)

Fairy

1. Mr. Mime (Secondary)

Ice

1. Lapras (Secondary)
2. Snorunt > Glalie

Ground

1. Phanpy > Donphan
2. Gligar > Gliscor (Primary)
3. Gible (Secondary)
4. Torterra (Secondary)
5. Palpitoad (Secondary)
6. Krokorok > Krookodile (Primary)

Dragon

1. Gible (Primary)
2. Goomy > Sliggoo > Goodra
3. Noibat > Noivern (Secondary)
4. Naganadel (Secondary)
5. Dragonite (Primary)
6. Dracovish (Secondary)

Dark

1. Scraggy (Primary)
2. Krokorok > Krookodile (Secondary)
3. Greninja (Secondary)
4. Incineroar (Secondary)

Rock

1. Roggenrola > Boldore
2. Rockruff > Lycanroc

Steel

1. Meltan > Melmetal
2. Lucario (Secondary)

Ghost

1. Gengar (Primary)

He never caught a psychic or fairy type throughout his travels at all.

7819675
But it allowed him to battle.