The Can-Toi are fictional creatures from Stephen King's Dark Tower series and related works. They are unofficially but more commonly known as Low Men in Yellow Coats due to their often garish yellow clothing. Their first appearance was in the 1999 collection, Hearts in Atlantis and they later made appearances in the final three Dark Tower books. The Can-Toi and Humans The Can-Toi seem to possess an oddly ambivalent attitude toward humankind, both idolizing and mocking its culture at the same ti… (More on Can-toi)