Hali Beth Muller is an actress known for her work in voice-over for animated series. She is credited with providing the English voice for the character Usapyon, also styled as USApyon, in the anime series Yo-kai Watch. Her involvement in the English-language version of the show is documented in multiple episodes, including those from the 2018 broadcast. Beyond her role in Yo-kai Watch, Muller's voice acting credits include the series Misha the Purple Cat from 2014 and the 2012 animated series Maya the Bee.