ummm...i guess you could call him on your pokenav...but you have to beat him in order to get his number...along with the elite four and gym leaders...
talk to Wallace
Wallace is the champion of the elite four in Pokemon emerald
he is the champion in emerald
you first meet Wallace in Pokemon emerald,you first have to go see your dad (or the 5th gym leader) , and then Wallace will run into the gym , (after you talk to your dad. -hope i helped!
He is the champion at the Pokemon league.
He became the champion.
none. In emerald, it's just where you find wallace. kyogre
He is the Pokemon League Champion.
Elite 4 E4
he is the last person in the elite four you battle. so hes in evergrande city
If you mean "Is Juan the leader in Pokemon ruby?", then no. It's Wallace who's the leader. Juan is leader only in Pokemon emerald. The champion is Wallace in Emerald, but Steven is the champion is Ruby and Sapphire.
up be hind where the cave is