Imra Ardeen

Few characters can claim to have helped launch one of DC's most beloved concepts, but Imra Ardeen has that distinction — stepping onto the scene in Action Comics #267 in 1960, a genuine Silver Age original conjured by Otto Binder and Wayne Boring. Over the span of an extraordinary 66 years of publication history, she has remained a fixture across Adventure Comics, Legion of Super-Heroes, and beyond, sharing countless adventures with iconic figures like Rokk Krinn, Garth Ranzz, and Clark Kent himself. With 14 key-issue appearances to her name and 170 catalog entries, Imra is no background player — she's a cornerstone of DC's far-future mythology, the kind of character whose longevity speaks louder than any single story. If you're following the threads that tie the Silver Age to the modern DC universe, Imra Ardeen is an essential name to know.