What is Etna?
Vassal of Laharl, and possibly the sexiest demon in the netherworld, short of the
"Wow, Etna just killed like 20 people while remaining strangely sexy"
A reference to a random unknown bodypart
Josh: "haha, you fell"
Epiphany: "oh yeah, well your face"
Josh: "no, your etna"
Epiphany: "Go tap that etna Josh"