Hmmm. The Vampire making tea is probably one of the most tasteless ones I've ever heard...

Although lots of people seem to get offended by this one:

What's black and white and red all over and can't go through a revolving door?

A nun with a spear through her head.

Don't blame me (okay, do) - my friends all had sick senses of humour. It can't be that bad, Art. Although you're likely to get more responses the longer you leave us hanging...