Crystal

Crystal is the Gym Leader of Snowcap City's Gym, known officially as the Snowcap Gym. She specializes in Ice-type Pokémon. She gives the Winter Bagde to trainers who defeat her.

In the games
Crystal appears at first....

After this, She appears as the leader of Snowcap City's Gym. This gym is the seventh to be challenged by the player. Trainers who defeat Alice will receive the Winter Bagde, along with TM???.