Wildfire

Wildfire alias Drake Burroughs from the Legion of Super-Heroes

Triplicate Girl / Duo Damsel

Trpilicate Girl/Duo Damsel alias Luornu Durgo from the Legion of Super-Heroes

Lightning Lass / Light Lass

Lightning Lass/Light Lass alias Ayla Ranzz from the Legion of Super-Heroes

Aquaman

The history of Aquaman alias Arthur Curry/Orin.
Elseworlds' stories and versions from parallel earths were not meant to be listed here.

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Justice League of America - Extended Version

As so many people asked for an early 1980s JLA with Martian Manhunter (though he hasn't been present at that time) and Phantom Stranger (though his membership never was really clear): 
HERE THEY ARE! :-)
Dedicated to one of my favourite artists of that time: Dick Dillin!
(His and Joe Staton's work are still inspiring and driving me the most)

Batman and the Outsiders 1980s

Geo-Force, Halo, Batman, Katana, Black Lightning, Metamorpho

Firestorm

Shazam!

Captain Marvel jr., Captain Marvel, Mary Marvel, Black Adam