Fun! But this could also be useful when I'm testing web sites and have no data to test.
Generated credit cards can be used to test basic client-/server-side validation techniques without accidently processing a real card.
Need LOTS of random names? I can provide CSV or SQL dumps. Cost is $1 per 2,000 identities. E-mail me if you are interested.
Fake Name Generator
(via linkbunnies.org)