Zot (mythical wizard)
Zot is the powerful entity responsible for the construction of the Orb of Zot and the entire Dungeon which guards the Orb. He originates from the MS-DOS game The Wizard's Castle. In that game, Zot was a Gnomeish Wizard, which most players still presume Zot to be.
Although often referenced in-game, it never makes a physical appearance. However, taking too long in the Dungeon will tick down the Zot clock, where Zot eventually finds and instantly kills you. Whether it is alive, dead, undead, or even a wizard is never answered; he serves merely as a colorful character in the Dungeon Crawl back story:
