Marcel Duchamp the Broken Arm", followed soon after. His "Fountain", a urinal signed with the pseudonym "R. Mutt", shocked the art world in 1917. "Fountain" was selected in 2004 as "the most influential artwork of the 20th century" by 500 renowned artists and historians. In 1919, Duchamp made a parody of the "Mona Lisa" by adorning a cheap reproduction of the painting with a mustache and goatee. To this he added the inscription "L.H.O.O.Q.", a phonetic game which, when read out loud in French quickly sounds like ""Elle a chaud au cul"". This can be translated as "She has a hot ass,"
Marcel Duchamp collection buying and selling rare manuscripts, books and art. Rrose Sélavy, and the other pseudonyms Duchamp used, may be read as a comment on the fallacy of romanticizing the conscious individuality or subjectivity of the artist, a theme that is also a prominent subtext of the Readymades. Duchamp said in an interview, "You think you're doing something entirely your own, and a year later you look at it and you see actually the roots of where your art comes from without your knowing it at all." From 1922 the name Rrose Sélavy also started appearing in a series of aphorisms,