Also known as: ウィリアム・ジョセフ・ブラスコヴィッチ, B.J.ブラスコヴィッチ
The player-protagonist of the Wolfenstein (Series) video games series. He's an American soldier of Polish-Jewish descent (and a resistance fighter in the MachineGames timeline). He's more commonly referred to as B.J. Blazkowicz.
According to John Romero, B.J. Blazkowicz is actually an ancestor of the Doomguy.