Who is a member of Nan Quan Mama? Why is the singing style and voice so like Jay Chou?

Nan Quan Mama, a pop music creation and singing group in Taiwan Province, China, debuted in 2004. The first generation consists of ju pao, Gary, warhead, the second generation consists of warhead, Lala and Jason, the third generation consists of warhead, and the fourth generation consists of warhead, Cao, and Jason. In 2004, with the support of Jay Chou, Nan Quan Mama, composed of Jupao, Gary, Warhead and Yu Hao, made his official debut with his first album Summer in Nan Quan Mama. In 2005, Jupao and Gary retired from the background. After Jason and Lara joined in, they released the album No.2 Meal, so they won the Best Mandarin Combination Award in Hong Kong New Town, and the song Mudanjiang won the Top Ten Excellent Singles of China Musicians Exchange Association.