Riddler /(rĭd"dlĭ)/

Rid·dler

Riddler

n.
  1. One who riddles (grain, sand, etc.).

Riddler

n.
  1. One who speaks in, or propounds, riddles.

Phrases & Compounds
The Riddler
A fictional character in the Batman comic books series and also in the Batman series of movies. He was an enemy of Batman who proposed riddles.