The Gotham City Villain Known for His Puzzles

This page is the CodyCross answer for the clue below from Nordic Wonders, Group 1955, Puzzle 1 (Volcanic Activity).

Question is: The Gotham City Villain Known for His Puzzles

and the answer is: RIDDLER

Word Meaning:

RIDDLER — One who asks riddles; a puzzler.

Definitions from Wiktionary.