Gregory Costello
Gregory John Costello
7 issues
Gregory Costello, also known as Gregory John Costello, has appeared in 7 comics from Avatar Press since 2012. Team affiliations include The Crossed. Most catalogued appearances come from Crossed Badlands.
Real Name
Gregory John Costello
Hero Name
Gregory Costello
Publisher
First Appearance
Latest Issue Appearances
Teams
Teammates
Appears alongside
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