Steven Shane McDonald is an American rock musician, best known as the bass guitarist in the Los Angeles alternative rock/power pop band Redd Kross. He is a founding member of the hardcore punk band OFF! – serving as a member from 2009 to 2021 – as well as bassist for Melvins since 2015. McDonald has appeared in numerous film projects with his older brother Jeff McDonald, including the 1984 film Desperate Teenage Lovedolls and its sequel Lovedolls Superstar; and the 1990 film Spirit of '76.

Trainwreck with Kyle Gass is an American southern and comedy rock band formed in Los Angeles, in 2002. It was founded by Tenacious D guitarist Kyle Gass and actor and singer JR Reed.