The original Mr. Link was a throwaway character in a 2014 Tutor4k video about rigging. Tutor4k had created a simple wooden mannequin to demonstrate inverse kinematics. He named it "Link" (after a chain link, not the video game character) and said, deadpan: "He is not handsome, but he is reliable. He is, if you will, inimitable."
If you provide a bit more detail on where you saw this or what you're trying to promote, I can tailor a more specific draft for you. Everly Brothers Film tutor4k moon flower the great inimitable mr link
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