Alex Brightman

Alexander Michael Brightman is an American actor, musician and writer, who provides the English voice of Sir Pentious in the Hazbin Hotel series as well as Fizzarolli (and Robo Fizz) in Helluva Boss.

Background
He is known for his role as the titular character in Beetlejuice on Broadway as well as Pugsley and Temeluchus from the Netflix animated series, Dead End: Paranormal Park.

Trivia

 * He has a pet dog named Kevin.