Frank Sinatra was well known for being very generous to 'the little people', often tipping $50 to bellhops at hotels, or kitchen staff at restaurants. This is a big reason why none of those people ever saw anything when Frank was present during a loan collection in the alley behind the establishment.
Tiger Woods, on the other hand, is a notorious cheapskate, on par with former Toronto Raptor Doug Christie*. Scandal sheets like The National Inquirer often receive tips from disgruntled service workers who have a bone to pick with a celebrity tightwad.
*One of my poker buddies from the 90's once worked briefly as a waiter at Red Lobster. He said Christie had been a customer, and on a bill of about $90, he had tipped a dollar. In the first game of the strike-shortened 1999-2000 NBA season, sarcastic fans in Boston threw coins and one dollar bills on the court during breaks in the action. Christie was seen picking up coins and putting them in the top of his socks.