Bill's grandfather

Bill's grandfather (Japanese: マサキのおじいさん Masaki's grandfather) is a Pokémon Researcher and Inventor who first appeared in Pokémon Red and Blue. He lives in Fuchsia City of the Kanto region.
While appearing earlier, he doesn't have a helpful role for the player until Pokémon Gold and Silver, its remakes Pokémon HeartGold and SoulSilver, and Pokémon Crystal. In these versions, he housesits for Bill on Route 25. Here is where you'll be able to receive certain stones after showing him specific Pokémon.
==Items==
The following means:
*G = Pokémon Gold
*S = Pokémon Silver
*C = Pokémon Crystal
*HG = Pokémon HeartGold
*SS = Pokémon SoulSilver
Stone 	Method
Everstone 	Show him a Lickitung (G/S/C/SS) or a Jigglypuff (HG)
Fire Stone 	Show him a Vulpix (S/SS) or a Growlithe (G/C/HG)
Thunder Stone	Show him a Pichu (G/S/C/HG/SS)
Water Stone 	Show him a Staryu (G/S/C/SS) or a Marill (HG)
Leaf Stone 	Show him an Oddish (G/S/C/HG/SS)