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An artist from this movement parodied portraits by depicting machines in "mechanomorphs." The boyhood nightmares of an artist from this movement about birds inspired his Two Children are Threatened by a Nightingale and his recurring character Loplop. Francis Picabia was a member of this movement, whose Cologne group contained Jean Arp and (*) Max Ernst. A member of this movement drew a moustache on a postcard of the Mona Lisa and presented a found urinal as one of his readymades. For 10 points, name this movement whose artists included Marcel Duchamp, which takes its name from a word for hobbyhorse.
An artist from this movement parodied portraits by depicting machines in "mechanomorphs.
Dada [or Dadaism] &lt;WA Painting&gt;