Any Pokémon Game in the GBA Slot

Nat No.	Pic	Name	Type 1	Type 2	Location
#093		Haunter			Forest Mansion
#094		Gengar			Forest Mansion (room with eyes on the wall)

LeafGreen in the GBA Slot

Nat No.	Pic	Name	Type 1	Type 2	Location
#013		Weedle			Route 204-South
#014		Kakuna			Eterna Forest
#027		Sandshrew			Wayward Cave
#028		Sandslash			Route 228
#037		Vulpix			Route 209
#240		Magby			Stark Mountain Route 227

FireRed in the GBA Slot

FireRed in the GBA Slot

Nat No.	Pic	Name	Type 1	Type 2	Location
#010		Caterpie			Route 204-South
#011		Metapod			Eterna Forest
#023		Ekans			Route 212-South
#024		Arbok			Safari Game
#058		Growlithe			Route 201 Route 202
#239		Elekid			Route 204-South Valley Windworks

Emerald in the GBA Slot

		Name	Type 1	Type 2	Location
#204		Pineco			Eterna Forest Route 203 Route 204 Route 229
#207		Gligar			Stark Mountain Route 206 Route 207 Route 214 Route 215 Route 227
#213		Shuckle			Route 224
#216		Teddiursa			Route 211 Lake Acuity
#217		Ursaring			Lake Acuity Route 216 Route 217

Sapphire in the GBA Slot

Nat No.	Pic	Name	Type 1	Type 2	Location
#270		Lotad			Route 203 Route 204 Route 205-North Route 212-South
#271		Lombre			Route 212-South Route 229
#302		Sableye			Iron Mountain
#336		Seviper			Route 208
#337		Lunatone			Lake Verity Surroundings Lake Verity Lake Acuity Lake Valor Mt. Coronet Spring Path Turnback Cave