Echo (Earth Zero)

Echo (Earth Zero) Earth Zero Characteristics Real name Myke-4 Astor Alias Echo Occupation Super-villain Alignment Bad Family none known Affiliation Legion of Super-Villains (Earth Zero) Homeworld Calish-Aetia First appearance Final Crisis: Legion of Three Worlds vol 1 #2 (Nov 2008) Universe Earth Zero Alternate versions see Echo (disambiguation) History Echo was a super-villain with mastery over sound. He was a member of Superboy-Prime’s Legion of Super-Villains, when they fought members of the Legion of Super-Heroes of three universes. He apparently survived the encounter. Note: No version of Echo ever appeared in Pre-Zero-Hour continuity. However, there was an Echo in one incarnation of the Adult Legion. Earth Zero Legion of Three Worlds