Heart Gold and Soul Silver - Bill's Grandfather Heart Gold and Soul Silver: Bill's Grandfather In Bill's original house in Cerulean Cape (Route 25) you can find Bill's grandfather. If you bring him the Pokemon he asks to see he will give you its evolutionary stones. Best of all, you get to keep the Pokemon as well as the evolutionary stone.

Pokemon Shown
 Item Received

Oddish
 Leaf Stone

Growlithe
 Fire Stone

Jigglypuff
 Moon Stone

Pichu
 Thunder Stone

Marill
 Water Stone

Bill's Grandpa is an easy way to get some evolutionary stones. Unfortunately, you can only get these stones once from Bill's Grandad.

You can find guides to other side-quests in the Heart Gold and Soul Silver section.