Giovanni

Giovanni (Japanese: サカキ Sakaki) was the head of Team Rocket, and served as the secretive Gym Leader of Viridian City's Gym, known officially as the Viridian Gym. He handed out the Earth Badge to Trainers who defeated him. As a Gym Leader, he specialized in Ground-type Pokémon, but his master plan includes collecting rare Pokémon of all types. (from Bulbapedia)