Dc Microheroes Wiki

Echo (Adult Legion)
Echo Rat
Adult Legion alternate universe
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Real name Myke-4 Astor
Alias Echo
Occupation Criminal
Alignment Bad
Family none known
Affiliation Legion of Super-Villains (Adult Legion)
Homeworld Calish-Aetia
First appearance Adventure Comics vol 1 #355 (Apr 1967)
Universe Adult Legion alternate universe
Alternate versions see Echo (disambiguation)
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Little is known about the masked villain with mastery over sound who called himself Echo. At one point he joined the (adult) Legion of Super-Villains, around the same time as Beauty Blaze, and was with them when they were defeated by the Legion.

Adult Legion alternate universe (Classic period/Adventure Comics/Action Comics)[]