Emolga

“The energy made in its cheeks’ electric pouches is stored inside its membrane and released while it is gliding.”

— Pokémon Black

“They live on treetops and glide using the inside of a cape-like membrane while discharging electricity.”

— Pokémon White

“It glides on its outstretched membrane while shocking foes with the electricity stored in the pouches on its cheeks.”

— Pokémon Black 2