Elesa

She appears in two games:

Pokemon Black and White
She is the fourth gym leader the player meats.She gave out the Bolt Badge.She is an Electric-Type Gym Leader.Her team consists of Zebstrika Level 27 and two Emolga's at level 25.

Pokemon Black and White 2
She returns as an Electric-Type Gym Leader.She still gives out the Bolt Badge.She isn't confirmed as the fourth Gym Leader in this game.She has also changed her appearence.She is now confirmed to have a level 28 Flaaffy,a level 30 Zebstrika,and a level 28 Emolga.