I HAVE A THEORY ON THE RED EYES; SO THE ANIMATRONICS GET RED EYES WHEN THEY'RE ON ATTACK MODE AND SILVER EYES WHEN THE SOULS ARE CONTROLING THEM SO WHAT IF WILLIAM AFTON IS CONTROLING THEM AND LATER IN THE MOVIE THE SOULS HAVE FULL CONTROL AND THEY'LL HAVE SILVER EYES; ATTACK MODE; SOULS CONTROLING