The first actor that played the Riddler was Frank Gorshin. The Riddler has been played by various actors who were very talented, but I think that Mr. Gorshin is the best.

The Riddler was in the first couple episodes of the 1966 Batman show. In those episodes Mr. Gorshin gave a scene stealing performance. His performance was so good that the Riddler ended up being the main antagonist of the first season. He actually showed up more than the Joker did in the first season. Joker and Penguin both appeared in six episodes (three arcs that were all two episodes long), but the Riddler appeared in 8...