Greg K is a musician best known as the bassist for the American punk rock band The Offspring. He co-founded the band in 1984, contributing to their distinctive sound and success. His energetic performances and catchy bass lines have played a significant role in the band's popularity. In addition to his work with The Offspring, Greg K has been involved in various side projects and collaborations. He has also participated in music festivals and tours, helping to promote the punk rock genre. His influence can be seen in the music of many contemporary punk bands.