Remember back in those heady days of the early- to mid-eighties, when David Letterman was considered to be the young, hip alternative to Johnny Carson? You remember... while Johnny was doing his 4,132nd Carnac sketch and putting on daring musical acts like Paul Anka, Dave was conducting elevator races, tossing watermelons off roofs, showing Jerry Lawler slap Andy Kaufman, and putting on bands like the Talking Heads.

Well, hold on to your bongs, Baby Boomers, and grab on to that flannel, Gen Xers: Letterman turns 60 today.

Yikes.