I learned the asterisk character is the reason splatbooks are named such (from *books). However, I've been unable to find any specifics on who started pronouncing * as "splat". I know it's not very common now (more people, myself included, say "star"), but it was popular enough with programmers and gamers in the early to mid nineties, and was used in 1990 in the poem Waka Waka Bang Splat.
What group or groups started saying * as "splat"? When was this at its height?