Glamrock Freddy is a vibrant orange animatronic bear with a 1980s rockstar design, featuring a light blue lightning bolt on his chest, red shoulder pads, and a blue-striped top hat. As the lead vocalist and charismatic frontman of the Glamrock band, he is the face of the Mega Pizzaplex. He possesses a polite, fatherly, and protective personality, remaining a loyal ally and guardian to the protagonist throughout their journey.

Roxanne "Roxy" Wolf is a tall, slender gray animatronic wolf with a 1980s glam metal aesthetic, featuring long silver hair with a green streak, vibrant red clothing, and purple tiger-striped leg warmers. As the keytarist for the Glamrock band, she is the high-energy instrumentalist of the group. She has a fiercely competitive, narcissistic, and ego-driven personality, constantly reassuring herself of her status as the "best," though this bravado often masks deep-seated insecurities and a desperate need for validation.

Glamrock Chica is a sleek white animatronic chicken with a retro 1980s fitness aesthetic, sporting a pink leotard, green triangular earrings, and mismatched animal-print leg warmers. As the band's lead guitarist, she provides the high-energy riffs for their performances. She has an upbeat, quirky, and "valley girl" personality, though she is driven by an insatiable and glitchy obsession with eating garbage and pizza, which often distracts her from her duties.

Montgomery "Monty" Gator is a burly green animatronic alligator with a punk-rock edge, featuring a red mohawk, star-shaped sunglasses, and purple armor pieces. As the band's bass guitarist, he brings a heavy, aggressive sound to their music. He has a hot-tempered, destructive, and rebellious personality, often prone to fits of rage that lead him to trash his dressing room or act out against his surroundings.

Burntrap is a grotesque, charred animatronic rabbit with an olive-green hue, featuring an exposed human skull, sharp metal claws, and glowing purple eyes. He is the physical manifestation of William Afton, the series' overarching antagonist and the serial killer responsible for the original "Missing Children's Incident." After surviving multiple fires and being trapped in a digital form as the Glitchtrap virus, he used the Pizzaplex's resources to reconstruct a physical body from salvaged parts and remains. He is a cold, predatory mastermind who lurks in the ruins of the old pizzeria, attempting to seize control of the building's network and its animatronics to continue his cycle of violence.