Chuck Portz is an American musician and songwriter, best known as a member of the influential rock band The Shadows of Knight, formed in 1964 in Chicago. Primarily recognized for their garage rock sound, the band gained prominence with their hit cover of "Gloria," originally by Them, which reached the Billboard Hot 100 in 1965. Portz played bass guitar and contributed to the band's distinct sound, characterized by raw energy and a blend of rock and blues influences. The Shadows of Knight were pivotal in the garage rock movement, bridging the gap between the British Invasion and the American rock scene. Portz's musicianship and the band's energetic performances helped solidify their place in music history. Notable works include their albums "The Shadows of Knight" (1966) and "Back Door Men" (1967), which feature original compositions alongside covers that showcase their gritty style. Though the band disbanded in the late 1960s, their legacy continued to influence subsequent generations of rock musicians. The Shadows of Knight's music has been featured in various films and television shows, ensuring that Portz's contributions to rock music remain relevant.