When Einstein died and arrived at the gates of heaven, St. Peter wouldn't let him in until he proved his identity.
Einstein scribbled out a couple of his equations, and was admitted into paradise.
And when Picasso died, St. Peter asked, "How do I know you're Picasso?"
Picasso sketched out a couple of his masterpieces.
St. Peter was convinced and let him in.
When George W. Bush died, he went to heaven