Oba  

Flint, オーバ

In the games pokémon diamond, pearl, and platinum, flint is one of the three members of sinnoh's elite four. he has a close friendship with volkner, who leads sunyshore city's gym. buck is his younger brother, and his grandfather runs battleground. in these games, flint first meets the player in sunyshore city when he expresses disappointment about recent power outages and volkner's frustration as a gym leader. he encourages the player to bring excitement back to pokémon battles for volkner before seemingly returning to the pokémon league. in platinum, flint and volkner challenge the player and their rival to a double battle when they arrive at the new battle frontier (wiki).