Duplication (energy) – The ability to create a duplicate that is composed of energy.
Doctor Double X (DC) is a supervillain with this power (DC Who’s Who V1 #6).
Negative Man (DC) is a superhero with this power and a member of the Doom Patrol (DC Who’s Who V1 #16).
House of Mystery V1 #84 was published in 1959 which predates the Doom Patrol Negative Man!
Dawn Greenwood (Marvel) is unhappy that there is a photonic duplicate of her in Silver Surfer V6 #9.
Next Duplication (gender)