Name: The Amazing Allegro
Alter Ego: Anton Allegro
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 3
Enemy of: The Justice League
A famous Russian musician who went over the edge after being permanently deafened by one of Green Arrow's sonic arrows. Discovering a centuries-old book of forbidden spells, Allegro enhanced his advanced synthesiser so that the sound of its keyboard generated demons.
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