OKAY SO ON STREAM FEAR SAID THAT FNAF IS CANON TO FEAR LORE SO- SO THAT MUST MEAN THAT THE THIRD PNGTUBER IS TH- THE FA- FNAF PNGTUBER AND THAR- THAT FEAR IS ACTUALLY WILLIAM AFTO-

(the Fear is William Afton bit was just a joke but the rest of it is the actual theory)