Dr. Yes Dr. Yes (a reference to Dr. No), Egg Fu's robot twin, appears in Metal Men #20 (June/July 1966). In the story, he uses a giant robot to capture Will Magnus, thereby luring the Metal Men to his base where he brainwashes them, believing that "when the Amelicans see how these gleat heroes of theirs have turned tlaitors-- they will doubt anyone's stlength to lesist us!"