Having The Question appear in Action Comics has got me thinking. What other characters should be considered part of the superverse? It definitely shouldn't be considered exclusive.
For me its:
Captains Marvel and Atom ( both shared with Wonder Woman)
The Atom
Green lantern/corps
Dr. Occult
Zatanna
(Any other character with ties to action comics # 1)
The Creeper
LOSH
L.E.G.I.O.N
Young Justice (should be superman's while titans is Batman's)
Nightwing (Obviously shared)
Hawkman
Booster Gold
Any of the New Gods
Firestorm
Martian Manhunter (shared with Batman)
Doom Patrol
Cyborg
Vandal Savage (should be superman's ra's al ghul)
What do others think?