The Whistle of Death - Puss In Boots 2

The last thing you hear before you die:

SMG4 when it's perfect:

i hear this whenever four comes on screen

william afton before he kills the animatronics:

Sony when someone does a big no-no in Dreams:

IS THAT THE GRIM REAPER

If he is The death Wouldn't he Kill something That is already Dead? for example like virus