Le Petomane was the name by which a French entertainer Henri(?) Pujol was known. He was famous in Victorian times for his remarkable control of abdominal muscles, which enabled him to fart at will.
A short humorous film about his life, entitled Le Petomane starred Leonard Rossiter
Note that a character in Mel Brooks' Blazing Saddles, a film nototrious for its flatulence jokes, has the name Lepetomane.