Generally credited to Chuck Jones, although others have claimed it. According to Pete Biro in Abracadabra, Vol. 61 No. 1564, January 17, 1976, p. 57, this illusion was created by Bev Bergeron for Chuck Jones. Les Smith has also claimed to have invented it. The various claims were eventually aired in David Seebach's “Subject: Illusions” column in The New Tops, Vol. 27 No. 8, August 1987, pp. 19-22; Vol. 27 No. 11, November 1987, pp. 19-21; Vol. 27 No. 12, December 1987, pp. 29-32; and Vol. 28 No. 4, April 1988, pp. 24-26.