Tony Maimone
From This Might Be A Wiki
Tony Maimone is a bassist and a former member of Pere Ubu, a band that both Linnell and Flansburgh liked. He toured with TMBG after the completion of Apollo 18 and continued with them for the next few years, playing bass on John Henry, Why Does The Sun Shine, Back To Skull, Severe Tire Damage and They Might Be Giants In Holidayland. Maimone has also worked with Bob Mould and Frank Black.
According to an interview, John Flansburgh says that during a New Year's Eve Show in Philadelphia, he accidentally hit Tony in the face with his guitar, leaving a scar on his cheek.