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WARNING: There is NSFW material (including pictures) in this post. Please view with discretion. Snakes and lizards have what is called hemipenes, which is essentially a two-headed penis. Two penises on one organism might sound pretty wild, but did you know it can occur on humans as well? About 1 in 5.5 million American men will be affected by a condition known as diphallia, resulting in two penise