Gozer the Traveller, he will come in one of the pre-chosen forms. During the rectification of the Vuldronaii, the Traveller came as a large and moving Torb! Then, during the third reconciliation of the last of the Meketrex Supplicants they chose a new form for him.. that of a Giant Sloar! many Shubs and Zulls knew what it was to be roasted in the depths of the Sloar that day I can tell you.
Vinz Clortho via Ghostbusters Wiki