They say that Disneyland is the happiest place on Earth. Even the ghosts in the Haunted Mansion are happy, being called the “happy haunts”. According to the ghost host, the disembodied narrator of the attraction, there are nine-hundred and ninety-nine of them in residence, but he assures everyone, day after day, that there is room for a thousand – he even asks for volunteers. Paul Frees provided the voice of the Ghost Host, delivering dialog such as, “Your cadaverous pallor betrays an aura of foreboding,” which many agree could only have been written by legendary Imagineer X. Antencio. An unintended consequence of his writing, however, is that since November 2, 1986, the Haunted Mansion's Ghost Host truly became a voice from the beyond, with the death of Paul Frees.
From the Diary of the Imagineer, December 16, 1966: