<Tr> <Th> Writer (s) </Th> <Td> Otto Binder, Joe Simon </Td> </Tr> <Tr> <Th> Artist (s) </Th> <Td> C.C. Beck, Pete Costanza, Jack Kirby </Td> </Tr> <P> Captain Marvel, also known as Shazam (/ ʃəˈzæm /), is a fictional superhero appearing in American comic books published by DC Comics . Artist C.C. Beck and writer Bill Parker created the character in 1939 . Captain Marvel first appeared in Whiz Comics #2 (cover - dated Feb. 1940), published by Fawcett Comics . He is the alter ego of Billy Batson, a boy who, by speaking the magic word "SHAZAM" (acronym of six "immortal elders": Solomon, Hercules, Atlas, Zeus, Achilles and Mercury), can transform himself into a costumed adult with the powers of superhuman strength, speed, flight and other abilities . </P> <P> Based on book sales, the character was the most popular superhero of the 1940s, outselling even Superman . Fawcett expanded the franchise to include other "Marvels", primarily Marvel Family associates Mary Marvel and Captain Marvel Jr., who can harness Billy's powers as well . Captain Marvel was also the first comic book superhero to be adapted into film, in a 1941 Republic Pictures serial titled Adventures of Captain Marvel . </P>

Who is captain marvel and what are his powers
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