watch 00:59 The Loop (Movies) Do you like this video? Parry Gripp is an American singer-songwriter and is the composer for Hazbin Hotel. For the show's pilot, he wrote the songs "Inside of Every Demon is a Rainbow" and "Alastor's Reprise". He also composes songs for Helluva Boss. For its pilot, he wrote the I.M.P Jingle and Oh Millie. External links Official Twitter Retrieved from "https://hazbinhotel.fandom.com/wiki/Parry_Gripp?oldid=26241" Categories: Show staff Male Hazbin Hotel Helluva Boss Community content is available under CC-BY-SA unless otherwise noted.