In the Online Game. Que Horrifico was a monster wearing a mayan mask, mexican pancho over wrappings which covers his pale skin. He can spookify kids and order them around. Thanks to the kids, he was caught, and was Freds tutor, Mary Anne Gleardan. Retrieved from "http://scoobydoomysteryincorporated.wikia.com/wiki/Que_Horrifico?oldid=5611" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.