Yuka Iguchi (井口 裕香) is a Japanese voice actress. She voiced Nitros Oxide in the Japanese version of Crash Twinsanity. She's also well known for being the voice of Tsukihi Araragi in the Monogatari anime series, and singing "Platinum Disco", the OP of the Tsukihi Phoenix arc. Her N. Oxide voice sounds very similar to David Anthony Pizzuto's, however she is uncredited.