Satyr

Noun

1. A sylvan deity or demigod, male companion of Pan or Dionysus, represented as part man and part goat, and characterized by riotous merriment and lasciviousness, sometimes pictured with a perpetual erection.
2. Synonym of faun.
3. A lecherous man.
4. Any of various butterflies of the nymphalid subfamily Satyrinae, having brown wings marked with eyelike spots; a meadow brown.
5. The orangutan.