The modern and better-known version of the character, who started life as Arn Munro, first appeared in Young All-Stars #1 (June 1987) and was created by Roy Thomas, Dann Thomas, Michael Bair and Brian Murray.
They were created by Roy Thomas, Dann Thomas, and Michael Bair, and introduced in Young All-Stars #1, dated June 1987.
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Thomas Mann | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Dylan Thomas | Thomas Pynchon | St. Thomas | Saint Thomas, U.S. Virgin Islands | Thomas Carlyle | Thomas the Tank Engine | Thomas Moore | Thomas Cromwell | Thomas Becket | Thomas the Apostle | Thomas Merton | Thomas Tallis | Thomas Paine | Roy Thomas | Thomas Telford | Thomas More | Thomas Wentworth, 1st Earl of Strafford | Ryan Thomas | C. Thomas Howell | Thomas Kean | Thomas Gage | Thomas Eakins |