The Green Man is a symbol of uncertain origin common in the British Isles. Classic examples are most frequently found among the stonework in and on churches, though it is more likeley pagan in nature. It depicts a man with foliage for hair, usually with either a leafy beard or with leaves growing out of his mouth and nose.
Other possible references to him are Green George, Jack-in-the-Green, and the Green Knight. It is popular with modern Wiccans and other Neopagans.
The Green Man is a 1956 British comedy film starring Alastair Sim as a jovial freelance assassin.
Internet Movie Database link: [1]
The Green Man is a 1990 British Horror film starring Albert Finney as an alcoholic inn-keeper.
Internet Movie Database link: [1]