Batman adversary (7)
I believe the answer is:
riddler
(Other definitions for riddler that I've seen before include "Deviser of ingenious questions" , "setter of puzzles" , "Puzzle setter" , "passing on only the finest material?" , "Sphinx?" .)
I believe the answer is:
riddler
(Other definitions for riddler that I've seen before include "Deviser of ingenious questions" , "setter of puzzles" , "Puzzle setter" , "passing on only the finest material?" , "Sphinx?" .)