No, he is not. Cynthia is.
the sinnoh league champion. defeat her and become the champion.
The sinnoh champion Cynthia has one. She is located at the Pokemon league.
The Pokemon League after beating the Elite 4.
The Sinnoh League Champion "Cynthia" has a Spiritomb.
It is phantom, champion and zoroark but it's only released in Japan!!!
as soon as you become the sinnoh league champion
The champ is Cynthia.
Pokemon Sinnoh League Victors is Season 13.
On top of Mount Silver after beating the elite four, his name is red, litteraly
In Pokémon Diamond, the league you compete in is the Sinnoh League, where players challenge the Elite Four and the Champion to become the Pokémon Champion of the Sinnoh region. To reach the league, players must complete the Pokémon League Challenge by defeating all eight Gym Leaders in Sinnoh and earning their badges. Once at the Pokémon League, trainers face off against the Elite Four members—Aaron, Bertha, Flint, and Lucian—before battling the Champion, Cynthia. Success in the league tests a player's skills, strategy, and bond with their Pokémon team.
In the Pokemon league.
Your rival is the champion.