A green man will only appear in Poke' Marts you have a mystery gift, or via Action Replay.
in the pokemart after you use mystery gift.
After you get an event on wi-fi or special event he will be in a pokemart
You only find him if you go to a store that's doing a character distribution, then when you get the mystery gift, the man will appear.
when you receive a gift through mystery gift. most likely for event Pokemon like darkrai
any pokemart
If you are talking about the man who gives you the mystery gifts, He's in any city in the pokemart.
In the Pokemart
you can get the azure flute for arceus from the man in green in any pokemart
The mystery gift guy is in any pokemart.
you go in it and pee on your socks for warmth
A green man will only appear in Poke' Marts you have a mystery gift, or via Action Replay.
at the pokemart with the man dressed in green
Go to a pokemart and there should be a green man there, talk to him.
in the pokemart after you use mystery gift.
It's a special event. If you have it, you should get a member pass or something like that from a man in green in the pokemart. then, go to the locked house in Canalave city. Darkrai should be there.
After you get an event on wi-fi or special event he will be in a pokemart