Each act began with the performers dressed in elaborate costumes; priests and a nun, a salesman, child and a housewife, ancient templegoers or gods, and ended with all three actors nude and performing simulated and semi-simulated social taboos, scaring audiences with a barrage of apparent flung feces, urine, blood, tortured screaming, public sex and religious symbolism.

[2] In 2007, Costes and Lisou Prout completed the "Les Petits Oiseaux Chient" (English: Little Birds Shit) tour across the United States and Canada.

[citation needed] Costes is considered as one of the first punk-DIY French artists, self-releasing dozens of tapes and CDs from the early 1980s to nowadays.

His discography is surprisingly rich and outlandish, melding experimental, spoken word, electronics, sometimes hip-hop or metal, often parodying the French variety-song culture.

Following the shooting of Irréversible, he published a text entitled "Irrécupérable" ("Irredeemable"), recounting this experience and his disappointment about it, laughing at the fact that even Gaspar Noé, Vincent Cassel or Albert Dupontel (each known for their controversial works) were shocked by his behaviour and genuine underground credentials, or that they were willing to produce filthy movies but unwilling to get anywhere near actual filth or filthy people,[5] labeling Noé as a "stuffed rotten bourgeois controlled by the CNC created by Pétain" and Cassel as a "spoilt brat starlet".