tanookimonk, to assemble a huge download of all these quests would mean doing a lot of searching, as some are hosted privately. It would be best, if...
King Aquamentus was born in the quaint land of Ponyville to proud parents Spike and Rarity, thus explaining a lot of his biology. Despite this, King Aquamentus greatly protests being a pony *or* a brony, on the grounds of "I'm a fucking Unicorn/Dragon thing."
He recently moved to "narrow path to the door" land and has been happy ever since.