The IT Skeptic recommends BullFighter
Look I know it has zero to do with ITIL or even IT but this is brilliant nonetheless... The IT Skeptic recommends BullFighter for anyone who writes anything in English.
This is possibly the most useful bit of software ever invented. It is undoubtedly one of the funniest, and unlike almost every other bit of software invented this one actually makes a positive contribution to the advancement of human culture and communications.
And if you don't read the FAQ you are missing out on a treat.