(voiced by Christopher McCulloch) – A severely burned pyrokinetic pyromaniac prisoner. His burns come from a fire caused by his father, a drunk, dropping a cigarette in a movie theatre. Ash's personality is almost childlike. Fatty (voiced by Stephen Warbrick) – A bald, middle-aged, overweight inmate with a high-pitched voice and giggly/creepy personality, with an affinity for trying to show off his genitals, usually towards Gary. It is revealed in the episode "Superjail Grand Prix" that Fatty is a pedophile. Fatty is often killed during the murder scene or at some point in any episode, he appears in, only to be inexplicably revived for the next episode. Peedee (voiced by Dana Snyder) – A live ventriloquist's dummy possessed by Gary's vocal cords. Originally, he was controlled from within by Bird with Gary projecting his voice, but the dummy gained independence after Gary's severed vocal cords first possessed a rat and then the doll, turning it to a foul-mouthed criminal with a mobster accent and a standard inmate status. He shares a rivalry with Lord Stingray, but the two occasionally work together against the Warden and the other inmates. Ultra-Prison The Mistress (voiced by Sally Donovan) – The female warden of Ultra-Prison (a women's prison). She had a brief one-night stand with the Warden while under the effects of Spanish fly. In the season 2 finale, she takes control of Superjail. She engaged in a relationship with Lord Stingray in the season 3 episode "Stingstress". However, after a night of intercourse with Alice, the Mistress returns Superjail to the Warden while she begins a new life-style as a hippie. Bruce (voiced by Melissa Brown (Ladies' Night) and Chris McCulloch, Stephen Warbrick (Stingstress) – the head guard at Ultraprison and part of the Mistress' staff. He is the opposite counterpart to Alice and is thus also transgender. Nova (voiced by Sally Donovan) –The pink robot of UltraPrison. While she appears to be the female version of Jailbot, she is also sleeker, refers to herself as 'newer model' than he is however since they both are custom built prototypes no one can be newer or older. Charise (voiced by Kamala Sankaram ("Ladies' Night") and Sally Donovan in "Vacation" and onwards) – part of the staff at Ultraprison, acting as both Mistress' personal assistant and her accountant. She is the counterpart to Jared. Influences In a Cold Hard Flash interview, creator Christy Karacas explained