MC HotDog (born Chung-Jen Yao, Chinese: 姚中仁, Taiwanese: Iâu Tiong-jîn, pinyin: Yáo Zhōngrén, November 27, 1978, Taipei) is a Taiwanese rap artist known for his use of explicit lyrics in his songs. Some consider his music to present a gritty, realistic picture of life, while others claim that it is not suitable for younger audiences. He is known of his two famous hits - 我的生活 (My Life) and 韓流來襲 (The Korean Invasion).
In 2001, his four mini-CDs sold over 220,000 copies. In 2004, he toured with Cheng Chang Yue in the North American Kill Kitty tour. In 2006, MC HotDog released a new album "Wake Up," which contains a popular hit 我愛台妹 (I Love Taiwanese Girls).