Chad Wackerman (born March 25, 1960 in Long Beach, California) is a jazz, jazz fusion and rock drummer, arguably best known as a drummer and percussionist in Frank Zappa's band, but also known for his work with Allan Holdsworth and others. In addition, he has worked with others as a band member, session musician, sideman, and bandleader of his own jazz trio, as well as his solo career. He is the older brother of Brooks Wackerman, the current drummer of Avenged Sevenfold and formerly of Bad Religion.