Lacy (Japanese: レーシ Lacy) is the Gym Leader of Brenslane City's Gym, known officially as the Brenslane Gym. She specializes in Bug-type Pokémon. She gives the Insectum Badge to Trainers who defeat her.
Frenetic bug lover and quite book-savvy, from a very young age Lacy has shown her large intellectual capacity as a Pokemon trainer. After graduating from the Victor Pokemon University with the highest overall GPA, she is offered a chance to replace the retiring Catra as the new unnamed City gym leader. Without hesitation, she accepts the offer and although, it was not her initial dream during her years at the University, she is enjoying her life as a bug type gym leader.