"Nasty Dan" is an American folk song written by Jeff Moss, who also wrote "Rubber Duckie".
It was first recorded and released by Johnny Cash in 1975.
He ate nails for lunch, never took a bath or laughed, and would jump for joy when a little boy would trip and fall.
Moss included a poem of the same name in his book of poetry.
1 hit in France in 1976[3] for Claude François, who recorded it with French lyrics under the title "Sale Bonhomme".