Dionysos

Ink n' digital, 2007
Dionysos, or Bakkhos--Liber, or Bacchus, to the Romans.
Son of Zeus and the mortal princess (later deified) Semele...who exploded.
Dio is god of general indulgence, mind-altering substances, hallucinations, and parties. He's very popular.
"The nocturnal rites performed every year in honor of Dionysus I must not divulge to the world at large." ~Pausanias, Guide to Greece 2.37.6