Jan Arrah
There is a DC comics character called Metamorpho who is sometimes called The Element Man and goes by the "real" name of Rex Mason. There is also a character called Element Girl who appears in the same comic as Metamorpho/The Element Man.
Troy Stewart
Mr. Venge
Drake Burroghs
Shrinking Violet's real name is Salu Digby.
Dream Girl's real name is Nura Nal.
Sun Boy's real name is Dirk Morgna.
Duo Damsel's real name is Luornu Durgo.
Phantom Girl's real name is Tinya Wazzo.
Invisible Kid's real name is Lyle Norg.
Colossal Boy's real name is Gim Allon.
Ferro Lad's real name is Andrew Nolan.