An Urban Dictionary editor who simply selects 'Don't Know' for every decision he/she is given in order to increase the amount of decisions made and thus become one of the 'top' editors.
Knower's foot is the name of a foot belonging to knower. The exact foot is unknown, but people generally believe it to be his right foot. It was leaked internally on February 9th 2021 and has made several reappearances, only to be removed quickly by Knower himself.