Bizarre Facts About Sonic the Hedgehog, As the Blue Blur Turns 30.<br />'Sonic the Hedgehog' <br />debuted on June 23, 1991.<br />In honor of the speedster's birthday, <br />here are four facts and one conspiracy <br />about the iconic character.<br />1. , Sonic was first designed to be a rabbit, <br />but later turned into a hedgehog.<br />2. , His first name was Mr. Needlemouse.<br />3. , Sonic originally had a human girlfriend named Madonna, but SEGA of America axed the idea because they didn't think it would be appropriate for the U.S. market.<br />4. , 'Sonic' games <br />had different <br />box artwork <br />in Japan.<br />5. , Michael Jackson <br />allegedly helped create <br />the 'Sonic' soundtrack.<br />According to 'The Huffington Post,' Jackson, <br />who was reportedly a huge SEGA fan.<br />wrote music for the 'Sonic 3' soundtrack, even though he wasn't credited in the game and it was never officially confirmed.<br />However, this would have been in 1993 amid Jackson's sexual abuse allegations, so it would have been understandable if they kept his involvement quiet.<br />Some fans think the end credits sounds similar to "Stranger in Moscow," among other examples