Shiba

Shiba is a member of the Kanto Elite Four. He raises Fightingtype Pokmon living with them and training with them. He joined the Elite Four out of a desire to challenge the best Trainers. Although he trains Fighting Pokmon he also commonly uses Iwark and its evolved form. Shiba regularly visits the Sevii Islands. He and his Pokmon use the spa on One Island and he visits Two Island to buy RageCandyBars. Shiba once used to train with Touki a Fightingtype Gym Leader from Hoenn. Source: Bulbapedia