Based upon the Golden Age character Rex Tyler , he first appeared in JLA # 12 ( November 1997 ) .
Hourman ( Matthew Tyler ) is a fictional character and superhero who was created by Grant Morrison and Howard Porter .
Based upon the Golden Age character Rex Tyler , Hourman first appeared in JLA # 12 ( November 1997 ) .
Hourman ( Matthew Tyler ) is a fictional character and superhero who was created by Grant Morrison and Howard Porter .