I have a friend who talked the local bloodbank into giving his father his blood free...oh to hell with telling the story here's the link:

http://news.google.com/newspapers?nid=1876&dat=19980628&id=pUAfAAAAIBAJ&sjid=q88EAAAAIBAJ&pg=3101,5698796

I still give all my blood in his name even though he passed away a few years ago.

Edit: He's over 50,000 pints collected in his name now.