David Letterman didn't invent the top 10 list, but it was his most durable comedy bit. Maybe we won't miss it after he airs his final episode of "The Late Show" on May 20, but there's so much we will miss.

After all, even if you're tired of hearing how Dave changed the face of comedy and set the template for all late-night hosts who've followed, it's nonetheless true. He managed to keep the plates spinning for 33 years, three years longer than his idol, Johnny Carson, and anyone who departs after that long is going to leave a gaping void. So, in Dave's honor, here are the Top 10 Things We'll Miss after he's gone.