Uhh not too sure on the snorlax. Think it's adamant with Eq body slam, fire punch and pursuit(lmao who am I kidding idk)
garde- Calm with Wish psychic WoW heal bell or protect
can go timid with Cm tbolt psychic and signal beam (i think)
Well you guys could play together in the same channel but won't battle together. There are 8 channels and you must be in the same one to see each other. From there you guys can roam (travel) together like that.