"Jeopardy!" always has supremely intelligent contestants, but that doesn't mean they're humorless. Over Alex Trebek's 30-year run as host of America's favorite quiz, we've seen a number of hilarious "Final Jeopardy!" responses that even caught the unflappable host off guard. In honor of Ari Voukydis, a recent "Jeopardy!" contestant who earned a huge laugh with his "Final Jeopardy!" response this week, let's take at 10 times we've seen some hilarious stuff come up on those little blue screens. Yes, Cliff Clavin does make a cameo appearance.