Action Comics comics historian Les Daniels, artist Curt Swan became the definitive artist of Superman in the early 1960s with a "new look" to the character that replaced Wayne Boring's version. Bizarro World first appeared in the story "The World of Bizarros!" in issue #262 (April 1960). Writer Jim Shooter created the villain the Parasite in "Action Comics" #340 (Aug. 1966). Mort Weisinger retired from DC in 1970 and his final issue of "Action Comics" was issue #392 (September 1970). Murray Boltinoff became the title's editor until issue #418. Metamorpho was the backup feature in issues #413–418 after which the character had
Cultural impact of the Guitar Hero series the "Guitar Hero" franchise have exceeded one billion dollars with over 16 million units sold, excluding downloadable content. Over 20 million songs have been sold as downloadable content as of July 2008, and 34 million by May 2009. As of October 9, 2008, the series has sold 23 million units with sales of US$1.6 billion, and as of May 2009 has earned US$2 billion at retail. Activision claims that "Guitar Hero" is the third largest video game franchise after the "Mario" and "Madden NFL" series, and is present in over 15 million households. "Guitar Hero: World Tour" along with other