The Trovita Gym (Rudy) is the third Orange Island Gymleader in the game. Defeating him will earn you the Spike Shell Badge 
, which is needed (as well as the other badges) to catch the Legendary Pokemon.
Rudy's Pokémon Team:
- Level: 58
- HP: 232
- Level: 57
- HP: 228
- Level: 58
- HP: 232
- Level: 59
- HP: 236
- Level: 59
- HP: 236