Dynamo
Earth-One
Blackhawk Squadron villain

Leonard Brown
New Earth
T.H.U.N.D.E.R. Agents

Tyaga
Prime Earth
Infinite Frontier

Multiverse

Dynamo Boy
Pre-Zero Hour
Legion of Super-Heroes villain

Doctor Dynamo
Earth-One
Mystery in Space

Dynashield
Amalgam Universe
Dynamo/Shield