Action Comics strong sales and follow up investigations revealed that Superman was the reason, thus the character returned to the covers, becoming a permanent presence in issue 19 onward. Originally, "Action Comics" was an anthology title featuring a number of other stories in addition to the Superman story. Zatara, a magician, was one of the other characters who had his own stories in early issues. There was the hero Tex Thompson, who eventually became Mr. America and later the Americommando. Vigilante enjoyed a lengthy run in this series. Sometimes stories of a more humorous nature were included, such as those of Hayfoot
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