Who was the god of the underworld in Roman mythology?
Correct answer: Orcus

That Cøunt, Ray Bumpkin
Robbo, You're incorrect. Pluto was "ruler of the underworld" in Greek mythology but Orcus, as the question said, was "god of the underworld" in Roman and Etruscan mythology.

Robbo
Incorrect! It is Pluto

General knowledge fan
oops I should actually maybe brush up on my roman myths and mythology.