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Frank Gorshin was primarily known as an actor and comedian. He gained recognition for his portrayal of The Riddler in the Batman television series, showcasing his comedic timing and eccentric mannerisms. Gorshin's career spanned over five decades, including roles in films, television shows, and stage productions. He was also a talented voice actor, lending his voice to animated characters such as Mr. Freeze in the Batman: The Animated Series.