Two of the bikers, Bazooka Joe and Jordan Minnesota, were named after songs from American punk rock band Big Black's 1986 debut album "Atomizer".
The writing on the picture on the toilet wall, "Un petit coin de paradis", translates to "A little corner of paradise".
Philippe Nahon's character's name "Chinaski" is an obvious nod to writer Charles Bukowski's literary alter ego Henry Chinaski.