Getting a "penis signature" registered as legitimate on a passport and driver's license has become a five year battle for a man determined to have the doodle officially recognised.
Jared Hyams from Melbourne first put forward his penis sketch on his registration form for the Australian Electoral Commission as a joke.
But what started out as a bit of fun turned into a long battle with government agencies to recognise his "signature" as real, according to The Age.
Speaking to the newspaper, the 33-year-old said: "I thought it would be a laugh; they would approve it and next year I would sign something different.