Phone Dude is an employee of Fazbear's Fright, heard in Five Nights at Freddy's 3. This similar phone caller often uses the nickname Phone Dude in the community. Phone Dude seemed very optimistic, as evidenced by Night 1's phone call. He seemed enthusiastic about the attraction and seemed to enjoy finding old relics from the pizza parlor. He also jokes around a lot more than the original Phone Dude and, in general, takes his job less seriously. Phone Dude only appears on the first two nights of Five Nights at Freddy's 3, and from night 3 onwards, the rest of the calls don't let him talk, and he only plays the training tapes he finds.

HandUnit, which stands for Handyman's Robotics and Unit Repair System Model 5, is an AI voice recording from Five Nights at Freddy's: Sister Location, designed to help new tech folks at Circus Baby's Entertainment and Rental get used to the tasks they need. It gives Eggs Benedict instructions almost every night. HandUnit was also featured in Five Nights at Freddy's VR: Help Wanted, where it hosted the Freddy Fazbear virtual experience, which it describes as a project by Fazbear Entertainment to shelve and downplay all events that have taken place throughout the franchise's history, And in fact, by hiding the bad press created by the missing children incident, the bite of '83, and the bite of '87, it seems like the last attempt to save the company itself.

Tape Girl is an unseen character, the developer of Freddy Fazbear Virtual Experience in Five Nights at Freddy's: Help Wanted. However, given the unknown malicious code in the game, she left a secret log in the game, which she hopes will be dealt with later. All of her tapes can be played in the tape room, which can be unlocked by hitting the tape placed on the shelf of the Prize Counter with any droppable item. Once unlocked, it can be accessed in black light mode via a tape player placed above a small display in the level selection room. The studio is mostly dark, with a table in the middle. On that table, there is a shelf in front of the player that holds the collection of tapes. Players can listen to these tapes with the tape machine next to the shelf. On the right, there is a button to return to the main room.

Tutorial Unit is a tutorial AI that awards the player with a certificate after reaching the ending in Freddy Fazbear's Pizzeria Simulator. He is also the narrator for each slide show animation, such as the opening introduction, the explanation of Fazbear Entertainment, and the new career as a manager. On the first day, he will instruct how to manage the restaurant. He instructs the player on how to buy products and how to switch between catalog and blueprint mode.

Jeremy Fitzgerald, the main night guard the player controls in Five Nights at Freddy's 2, is presumed to be the victim of "The Bite of '87." As a night-time security guard, it's his job to monitor the cameras and make sure nothing goes wrong after-hours.