I've got 2 tatts. One on the inside of each arm.
This one I got for my mum after she died of melanoma in '07:
Its her signature obviously, got it blown up from her driver's licence. Funny story about this one....
I first went to a place in newtown with the driver's licence and my idea, and he said it would be difficult. Then during the process of trying to photocopy it and blow it up etc he actually complained and asked why I couldn't just get my mum to sign my arm personally and he could trace it! The stupid prick had been told she was dead 5 minutes earlier. Walked out and went to a place in Padstow instead.
My second one I got for the wife in Hawaii:
I'll give you 3 guesses as to what her name is...