All three of the following have, at one time, used the identity "Star-Spangled Kid". Who was the first you ever read about?* Sylvester Pemberton - the original Golden Age Star-Spangled Kid; later took the identity of Skyman (first appearance: a preview in Action Comics #40, September 1941 / later featured in Star Spangled Comics)
* Courtney Whitmore - found Sylvester Pemberton's costume and his Cosmic belt in a box of her step-father's (Pat Dugan, Sylvester's former partner); later changed her name to Stargirl (first appearance: Stars and S.T.R.I.P.E. #0, July 1999)
* M'gann M'orzz / Megan Morse - normally operates under the identity of Miss Martian, but took on the mantle of the Star-Spangled Kid in the 2008-2009 Terror Titans mini-series (first appearance: Teen Titans #37, August 2006)