Arguably the most infamously named band in the annals of popular music for years -- radio found their moniker unspeakable, and the press deemed it unprintable -- Butthole Surfers long reigned among the most twisted and depraved acts ever to bubble up from the American underground. Masters of calculated outrage, the group fused the sicko antics of shock rock with a distinct and chaotic mishmash of avant-garde, hardcore, and Texas psychedelia.