"You must be older than Ill Communication to be served in this establishment."

... and also....

"You must be older than Seal to be served in this establishment."

"You must be older than Teenager of the Year to be served in this establishment."

"You must have shared the earth."

"You must be older than The Crow to be served in this establishment."

Obviously legendary for Brandon Lee's death.  Pretty great soundtrack, too. 

"You must be older than Four Weddings and a Funeral to be served in this establishment."

No joke---I heard this guy answers the phone, "This is G."

"You must be older than G. Love and Special Sauce to be served in this establishment."

"You must be older than Weezer to be served in this establishment."

http://en.wikipedia.org/wiki/Weezer_%281994_album%29

Chunnel

"You must have been born before the Channel Tunnel opened to be served in this establishment."