Roxanne

''Hello, I am Roxanne, the Rustboro Pokémon Gym Leader. I became a Gym Leader so that I may apply what I learned at the Pokémon Trainer's School in battle. Would you kindly demonstrate how you battle, and with which Pokémon?"-Roxanne, Pokemon Ruby, Sapphire and Emerald.''

Roxanne (Japanese: ツツジ Tsutsuji) is a type Gym Leader in Hoenn. She also teaches at, and helps run the pokemon school in Rustboro City. Her gym is in Rustboro City. She will award the player with the Stone Badge if you defeat her.

Ruby and Sapphire Arc
She battles against Sapphire and loses, though she forget to tell that if you collect all badges you can battle in the hoenn league.

Afterwards during when all Gym Leaders had a meeting, they talked about which Team is good, Team Magma or Team Aqua. Though in the end, both Teams were causing mayhem in the entire region.

Emerald
Gym Battle

First Rematch

Second Rematch Third Rematch Fourth Rematch (And beyond)

Trivia

 * Roxanne's Gym Leader title is "The Rock-Loving Honor Student"
 * Roxanne's name is a play on the word, since she is a rock type trainer. Brock and Roark may also share this pun.
 * Roxanne is the only 'female' Gym Leader that specializes in Rock-type Pokemon.