Mono Puff was a New York City band and a side project of John Flansburgh, one-half of the musical duo They Might Be Giants. They released two full albums, one in 1996 (Unsupervised) and one in 1998 (It's Fun To Steal).

The main band consisted of Flansburgh, the vocalist, guitarist, keyboardist, and songwriter; bassist Hal Cragin; and drummer Steve Calhoon of Skeleton Key. Various guest musicians supplemented the trio, notably Mark Feldman, Yuval Gabay, Ghost Krabb, Sugar Puff, Elina Löwensohn, Robin Goldwasser, Ammonia D, Trini Lopez, Jay Sherman-Godfrey, Jim O'Connor, Phil Hernandez, Frank London, Eric Schermerhorn, and Mike Viola. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.