phone guy death

phone guys in average men from FNAF but in one of the nights he says on the phone hello hello hey hey boy I knew you could do it uh hey listen I may not be around to send you any message tomorrow it's been a bad night in here for me uh I'm the one that recorded this message for you when I did do me a favor maybe sometime check in side those suits in the back room I'm going to try to hold out until somebody checks maybe it won't be so bad I wondered what was always in those empty heads back there you know oh no