1) Animal god 2) Fertility god 
In ancient Roman religion, Inuus was a god, or aspect of a god, who embodied copulation. The evidence for him as a distinct entity is scant. Servius says that Inuus is an epithet of Faunus (Greek Pan), named from his habit of intercourse with animals, based on the etymology of ineundum, `a going in, penetration,` from inire, `to enter` in the ...