Vox

Vox is a character in Hazbin Hotel.

Current Speculations
Vox is a villain in Hazbin Hotel. He makes a cameo in the pilot.

Vivienne and Hazbin writer Dave Capdevielle confirmed in Viv's Vivzie Stream #9 live stream that Vox is one of the bigger antagonists/villains in the series. Dave also said that he was the one who named Vox and won't tell fans where the name came or derived from.