Five Nights at Freddy's 3 (546823's fan version) is a Five Nights at Freddy's fan game found on game jolt created by the user named 546823.
It takes place before Five Nights at Freddy's and after Five Nights at Freddy's 2 (under the belief that its a prequel)
It takes place at the location of the first game.
Phone Guy is sick one week so a man named Garret Didi takes his place as the substitute security guard. Garret must survive 4 nights (Phone Guy takes his position back on nights 5-7).
The Killer (mentioned and in death mini games)
main protagonist nights 1-4.
Advice guy nights 1-4, main protagonist nights 5-7.