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, where he was Gnomic wizard. Most players presume the Zot from Dungeon Crawl to be (or have been) that, though whenever Zot is even sentient is put into question.
Although often referenced in-game, he, or it, never makes a physical appearance. However, taking too long in the Dungeon will tick down the Zot clock; if the clock runs out, Zot finds and instantly kills you. Whether he is alive, dead, a god, or even a wizard is never answered; he serves merely as a colorful character in the Dungeon Crawl back story: