Riddle: A man wants a tattoo. he goes into the shop, and sees two tattoo artists. He looks at the back of the first one and see's a really squigly and badly done tattoo. He goes to the second and sees a really clean, well-done tattoo. he goes to the first to get his tattoo. Why?
Answer: since it was on their back, the other tattoo artist must have done the other's tattoo.