Fairly sure I first recall Stan from both ye shedde and uk.d-i-y, but had just assumed it had started as a typo amusing enough to leave uncorrected. I only became familiar with El Reg after it went online, so my introduction to BOFH was well after I started reading usenet.
As for Lucas's status as Prince of Darkness, I think that wiki article may be taking it a little too seriously ... (And in any case, it shows there were 66 years between Joseph Lucas and British Leyland. Add a 6 and what do you get? 666, that's what - so what do you make of that?)