Frank John Gorshin, Jr. (April 5, 1933 – May 17, 2005) was an American actor and comedian. He was perhaps best known as an impressionist, with many guest appearances on The Ed Sullivan Show and The Tonight Show (with host Steve Allen). His most famous acting role was as The Riddler in the Batman live action television series. Description above from the Wikipedia article Frank Gorshin, licensed under CC-BY-SA, full list of contributors on Wikipedia.