Ken Jennings may be a Jeopardy! winner and fan-favorite but he is also somewhat of a comedian! He loves to share witty and often sarcastic jokes on Twitter. Recently, he decided to stir up some controversy with a joke about the beloved film The Wizard of Oz. He tweeted, "I don\u2019t want to get controversial on here but if I went to the 'Wizard of Oz' needing a heart and he gave me a \u201ctestimonial,\u201d I\u2019d be super-pissed." He is referring to the ending when the Tin Man asks for a heart and receives a testimonial. Ken Jennings jokes about 'The Wizard of Oz' on Twitter https:\/\/twitter.com\/KenJennings\/status\/1402495415816122369 Many fans of the film found this funny and some even tweeted back. One person joked, "U.S. healthcare system for you." Ken doesn't just write jokes on Twitter, he has also written a book on comedy called Planet Funny. In the book, he discusses the evolution of modern comedy. RELATED: Ken Jennings Pokes Fun At Nostalgic Candy Brand On Twitter 08 January 2020 - Pasadena, California - Ken Jennings. ABC Winter TCA 2020 held at Langham Huntington Hotel. Photo Credit: Birdie Thompson\/AdMedia These days, Ken works on The Chase and is a producer on Jeopardy! He is even in the running to take over as permanent host of Jeopardy! after many fans loved his guest-hosting spot. He received a very high score for ratings while he hosted the game show. GAME CHANGERS, Ken Jennings, 2018. \u00a9Parade Deck Films\/courtesy Everett Collection Would you like to see Ken as the permanent host of Jeopardy!? What do you think about his jokes? If you're interested in his book, click here to purchase on Amazon. https:\/\/www.youtube.com\/watch?vUOC6czdxjjk Here at DoYouRemember? we ensure our readers receive the best content and products. If you make a purchase through one of our links, we may earn an affiliate commission.