Kamen Rider Ryuga (in Japanese: 仮面ライダーリュウガ Kamen Raidā Ryūga) is one of the fictional characters and the main antagonist in the Kamen Rider Ryuki: Episode Final. He is one of the thirteen Kamen Riders the story revolves around. His Rider appearance resembles Kamen Rider Ryuki, but with a black look similar to Ryuki's Blank Form. Aside from a brief cameo in the TV special 13 Riders, his only screen appearance was in the movie Episode: Final. He is portrayed by Takamasa Suga.