Charles Salvatore "Chuck" Panozzo (born September 20, 1948) is an American musician best known as a co-founder of the rock band Styx. He is currently a part-time bass player in the band, sharing bass duties with Terry Gowan. Panozzo is living with HIV, which played a role in limiting his full-time participation. Description above from the Wikipedia article Chuck Panozzo, licensed under CC-BY-SA, full list of contributors on Wikipedia.