He will appear as a wild pokemon, assuming you enabled his cheat, ensure "encounter mod off" is off and "encounter mod on" is on, as well as encounter quaxly. you can turn default encounter off to remove other pokemons.
I've gotten the codes to work great, thanks for all the work. One thing I was wondering if it was possible to make the pokemon from an egg shiny? From what I gather the only way to get shinny is to hold RZ.