I love EQ lore, and now you've got me researching him.. here's some fun lore. I never knew he was only in game due to an event.. Seems super strange they have a zone named after him but he was never included in the beginning. Seems strange to have him in P99 too if he was just an event...
https://everquestlore.fandom.com/wiki/Mayong_Mistmoore