Joseph "Joe" Kubert (/ˈkjuːbərt/; September 18, 1926 – August 12, 2012) was an American comic book artist, art teacher and founder of The Kubert School. He is best known for his work on the DC Comics characters Sgt. Rock and Hawkman. He is also known for working on his own creations, such as Tor, Son of Sinbad, and the Viking Prince, and, with writer Robin Moore, the comic strip Tales of the Green Beret.