Quoted By:
>1: Mom (New Bark Town)
Required, buys room decor occasionally
>2: Professor Elm (New Bark Town)
Required
>3: Either one of: Fisherman Ralph (Route 32), Hiker Anthony (Route 33), Bug Catcher Arnie (Route 35)
Fisherman Ralph for Qwilfish Swarm, Hiker Anthony for Dunsparce Swarm, Bug Catcher Arnie for Yanma Swarm.
>4: Either one of: Picnicker Gina (Route 34), Schoolkid Alan (Route 36), Lass Dana (Route 38), Fisherman Tully (Route 42)
Picnicker Gina for Leaf Stone, Schoolkid Alan for Fire Stone, Lass Dana for Thunder Stone, Fisherman Tully for Water Stone
>5: Pokémaniac Brent (Route 43)
Has a Level 41 Chansey on final rematch, good for grinding
>6: Bill (Goldenrod City)
Reminds you when box is full, very useful
>7: Buena (Goldenrod City)
Rare Candy farm
>8: Blackbelt Kenji (Route 45)
Gives PP Up every 2 to 5 days when visited after he calls you
>9: Pokéfan Beverly (National Park)
Gives Nuggets, requires Marill in party to register number
>10: Pokéfan Derek (Route 39)
Gives Nuggets, requires Pikachu in party to register number