I think I’d be tempted to have each fankid be their starter if I went with specific species of pokémon, so I’ll do types instead!

Emery: Poison/Ice
Gavin: Water/Rock
Renato: Fire/Steel
Tipha: Dark/Electric
Roy: Fire/Dark
Draco: Dragon/Fighting
Ulyssa: Steel/Psychic
Sage: Flying/Grass
Celeste: Water/Normal
Levi: Fairy/Flying
Tanith: Dark/Ghost 
Maddie: Dragon/Grass
Aurélie: Ground/Fighting
Primrose: Ghost/Flying