Richard Widmark died Wednesday at age 93. He first became famous as crazy laughing killer Tommy Udo in the 1947 film Kiss of Death. It was his maniacal giggle that Frank Gorshin imitated in his portrayal of the Riddler on Batman.
I always liked the Tommy Udo character because he rolled that wheelchair-bound old lady down the stairs. For more on Widmark, here is the CNN story.