Well it all started for me when I first encountered the Discworld PC game. I'd literally never heard of Discworld before and just thought it was something about a “world“ on the CD Rom “disc“. Eric Idle voiced the character so perfectly in it (alongside Tony Robinson and Jon Pertwee - a dream cast). When I later found the books, I still heard Eric Idle in my head. In fact I was rather disappointed he wasn't cast in the live action version of Colour of Magic; good as David Jason was, he wasn't Rincewind for me.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'