Kyou

Kyou was the Leader of Sekichiku City's Gym. He is a student of ninjutsu who specializes in Poison-type Pokémon. He handed out the Soul Badge to Trainers who defeated him. He became a member of the Indigo Elite Four some time after the events of Generation I, but before the events of Generation II, thus leaving his daughter Anzu in charge of the Sekichiku Gym.

Kyou is dedicated to perfecting his battling techniques. He attempts to confuse and disorientate his opponents to get the upper hand during a match.

(Source: Bulbapedia)