ローランド・イスタス, Rōrando Isutasu
|Debut (Anime)||The Opening|
|Debut (Manga)||The Festival Has Begun!!|
|Fighting Style||Catch As Catch Can Style|
|Voice||Eiji Yanagisawa (Japanese)|
|Family||Bill Riley (Trainer)|
Roland Istaz (ローランド・イスタス, Rōrando Isutasu) is a fictional character from anime and manga series of Baki the Grappler. In the anime his name was changed to Roland Gustaf (ローランド・グスタフ, Rōrando Gusutafu).
His nickname is the "Joint Maniac" (関節愛好家, Kansetsu Aikōka). The way of his fighting style is known as the "Joint Fetish" (ジョイントフェチ, Jointo Fechi).
- He is based on the real-life Belgian professional wrestler Karl Charles Istaz.