While working for DC, Kane (and other artists) began to moonlight at Marvel, and needed to conceal their identities. See: Ro, Ronin. Tales to Astonish: Jack Kirby, Stan Lee and the American Comic Book Revolution, p. 92 (Bloomsbury, 2004); Scott Edward at the Grand Comics Database; and Evanier, Mark. «Why did some artists working for Marvel in the sixties use phony names?». P.O.V. Online (column), 14-04-2008. Arxivat de l'original el 26 novembre 2009. [Consulta: 28 juliol 2008].
While working for DC, Kane (and other artists) began to moonlight at Marvel, and needed to conceal their identities. See: Ro, Ronin. Tales to Astonish: Jack Kirby, Stan Lee and the American Comic Book Revolution, p. 92 (Bloomsbury, 2004); Scott Edward at the Grand Comics Database; and Evanier, Mark. «Why did some artists working for Marvel in the sixties use phony names?». P.O.V. Online (column), 14-04-2008. Arxivat de l'original el 26 novembre 2009. [Consulta: 28 juliol 2008].
While working for DC, Kane (and other artists) began to moonlight at Marvel, and needed to conceal their identities. See: Ro, Ronin. Tales to Astonish: Jack Kirby, Stan Lee and the American Comic Book Revolution, p. 92 (Bloomsbury, 2004); Scott Edward at the Grand Comics Database; and Evanier, Mark. «Why did some artists working for Marvel in the sixties use phony names?». P.O.V. Online (column), 14-04-2008. Arxivat de l'original el 26 novembre 2009. [Consulta: 28 juliol 2008].