damn you must have never seen the second helluva boss episode that’s crazy. he is literally a supporting character and is important you need to finish watching the show my guy or if you have already rewatch loo loo land, ozzies,mammons magnificent musical midseason performance, and oops. here is a link to see and learn about the character spoiler alert though https://hazbinhotel.fandom.com/wiki/Fizzarolli