Dannette "Dann" Thomas is the wife of comic book writer and editor Roy Thomas and has at times worked with him on "All-Star Squadron" and "Avengers West Coast". Dann shortened her first name from Dannette. The superheroine Firebrand of the All-Star Squadron takes her civilian name, Dannette Reilly, from Dann Thomas. Dann co-wrote later issues of "All-Star Squadron", subsequent to the introduction of Firebrand. Wikipedia
The definitive Wikipedia entry for Dann Thomas. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Dann_Thomas