Colonel Les Claypool's Fearless Flying Frog Brigade is a musical project with rotating personnel, led by American singer/bassist Les Claypool. The Frog Brigade was formed during a hiatus from Claypool's main group Primus.

Leslie Edward Claypool is an American musician, best known as the founder, lead singer, bassist, and primary songwriter of the band Primus since its formation in 1984. Frequently considered to be one of the greatest bassists of all time, his playing style mixes tapping, flamenco-like strumming, whammy bar bends, and slapping.