TREECKO:Starter Pokemon (Level 5)
TORCHIC:Starter Pokemon (Level 5)
MUDKIP:Starter Pokemon (Level 5)
GROUDON:Cave of Origin (Level 40)
ELECTRODE:Lilycove Hideout
VOLTORB:New Mauville
LATIOS:May appear anywhere in the region after beating the game (Level 40)
LATIAS:Southern Island (Level 40)
RAYQUAZA:Top of Sky Pillar (Level 70)
REGIROCK:Sealed chamber in Route 111 (Level 40)
REGICE:Sealed chamber in Route 105 (Level 40)
REGISTEEL:Sealed chamber in Route 120 (Level 40)
BELDUM:Mossdeep City (gift, Level 5)
CASTFORM:Weather Institute (gift, Level 25)
LILEEP:Resurrected from the Root Fossil in Rustboro City
ANORITH:Resurrected from the Claw Fossil in Rustboro City
FEEBAS:Route 119 (fishing, Super Rod)
SKITTY:Internal trade in Fortree City
WYNAUT:Hatched from egg from woman in Lavaridge Town
JIRACHI:Pokemon Colosseum "Bonus Disc"