@CobaltVelvet https://en.wikipedia.org/wiki/Potoooooooo
"...Abingdon intended to call the young colt "Potato" and instructed the stable boy to write the name on a feed bin. The stable boy facetiously spelled the name as "Potoooooooo" (Pot followed by 8 "o"s), which so amused Abingdon that he adopted the spelling."