First publicly mentioned in 1997,[REF] Shigesato Itoi (designer of EarthBound), Tsunekazu Ishihara (designer of Pokémon), and Shigeru Miyamoto codeveloped a Nintendo 64 prototype of a pet creature breeding game called Cabbage.
The project which ultimately became Nintendogs began as a technical demo on the Nintendo GameCube long before it was considered for the DS.