Separated from the group and his head from his body, Dean Venture described Mummy Mum Muggy described with fear when the Venture Family found Dean's disembodied head. However, Hank Venture assured described him "good mummy" friendly to the Venture Family, reflecting that Mummy Mug Mummy had provided some assistance prior. After Mummy Mum Muggy lost the top half of his head, he began carrying Dean's disembodied head for the boy.