Wally's house is located in the west section of the town, next door to the Gym. Wally's family continues to live here even though he has now set out on his own journey.
The Petalburg Gym is the official Gym of Petalburg City. It is based on Normal-type Pokémon. The Gym Leader is Norman, Brendan's father. Norman is however quite estranged from his family despite them moving out to be closer to him.