Ok, let me see if I got this right.

Ilima - Normal
Lana - Water
Mallow - Grass
Kiawe - Fire
Sophocles - Electric
Mina - Fairy
Acerola - Ghost
Hala - Fighting
Olivia - Rock
Eyebrows - Ground
Oldguy – Dark
Guzma - Bug
Plumeria - Poison
Kahili - Flying
Kukui - Dragon

So, who gives you the z-crystals for Psychic, Ice and Steel? And who's the guy with blue hair shown in the demo trailer?