Jimmy O. Yang is a Chinese American stand-up comedian and actor. He plays Jian-Yang, a recurring character on the HBO Mike Judge series Silicon Valley. He recently performed standup on The Arsenio Hall show and received a standing ovation from the crowd. Jimmy can also be seen as a guest star on season 9 of "It's Always Sunny in Philadelphia. He was born in Hong Kong to a traditional Chinese family from Shanghai. He now lives in Los Angeles.