Here is shown the Spirit of Carnival, in an allegorical engraving of the XVIII century, from the book "Iconologia del cavaliere Cesare Ripa, perugino" (Iconology of the Cav. Cesare Ripa from Perugia).
The book is a sort of an encyclopedia of human situations and behaviours, and each element is illustrated with an engraving like this one about Carnival.
Here it passes out the idea of sin and debauchery, using several symbolic elements:
The commentary of course is ... Word of God - ça va sans dire - by the abbot Cesare Orlandi
... CARNOVALE!