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Comet Queen (Pre-Zero Hour)
Pre-Zero Hour
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Real name Grava
Alias Comet Queen
Occupation Adventurer; Student
Alignment Good
Family Unnamed father
Affiliation Legion of Substitute Heroes II (Pre-Zero Hour); Legion Academy
Homeworld Colony Extal
First appearance Legion of Super-Heroes vol 2 #304 (Oct 1983)
Universe Pre-Zero Hour
Alternate versions see Comet Queen (disambiguation)
Legion Academy logo


Grava, from the Earth-colony Extal, was a long-time fan of Legionnaire, Star Boy. She attempted to emulate the way he gained his powers by jumping into a comet's tail. Remarkably, instead of being killed, she acquired the power to fly in the vacuum of space and emit comet-like gases.

Grava was accepted into Legion Academy, but repeatedly rebuffed from full membership of the Legion. She was, however, accepted into a second incarnation of the Legion of Substitute Heroes, which was set up after the original group disbanded, by (then) retired Legionnaire, Cosmic Boy. However, this group had only a short existence.

70s/80s (Superboy & the LSH/LSH vols 2 & 3)[]