"Docor Who" is an intentional misspelling of "Doctor Who" that may be used for shitposting or shitposting-like circumstances.
Person 1: "I am the Doctor"
Person 2: "Funny Doctor from Docor Who?"
Person 1: "No, I'm your doctor and I am about to perform brain surgery on you (cool!)"
Person 2: "Oh."
J. Robert Oppenheimer: "I am become death"
Person 1: "Oh, I remember you from Docor Who!"
J. Robert Oppenheimer: "I've barely appeared in that franchise, but ok."