Actually, I mostly know Fwiffo through the following conversation I had with daerr over IM as I was playing.

D: I haven't played in 12 years so I don't know how much I remember.
Me: Hey, I just found the dude on [mumble mumble spoiler]
D: Fwiffo!!!

Every person I've spoken to who played the game when it was new on PC seems to have similar levels of recall for the whole experience. It is a much-loved game.