Yasuaki Yamaguchi (山口 泰明, Yamaguchi Yasuaki, born in Gunma, Japan), known by his stage name Ya Chang, is a Japanese actor, comedian, and recording artist currently active in the Philippines.
He was a businessman in Gunma, Japan before he went to the Manila, Philippines just to meet Jopay Paguia of Sexbomb Girls.
[1] He appeared in ABS-CBN TV shows such as Aalog-Alog[2] and Quizon Avenue.
He also appeared in the drama anthology Maalaala Mo Kaya to portray his own life story, and also assisted the show's crew on their first episode that was set in Japan.
[3] He also appeared as Kenjie in ABS-CBN's Eva Fonda, acting as an antagonist for the first time.