Tom Hirshmann was a wrestler who performed in Combat Zone Wrestling (CZW). He began his wrestling career in 1999, training at the CZW Dojo when he was just 17 years old. During his time with CZW, Z-Barr was part of a viral video where he got covered in hundreds of chairs at the hands of Zandig and “Sick” Nick Mondo. He also worked in various other US indie promotions, including Pro Wrestling Unplugged (PWU) in Philadelphia, NWA Wildside in Georgia, National Wrestling Superstars (NWS) in New Jersey, and IPW Hardcore Wrestling in Florida. Z-Barr retired from professional wrestling in 2012.