God appears as a sharply dressed, slender, being with pure white skin, pearly white teeth, and no visible eyes on His face. His head is orbited by four, disembodied, floating eyes which are presumed to be His true eyes. He wears a large top hat that has a golden cross on the crown, and wears white suit with gold accents, gold shoulder pads with the design of angel-like wings, dark grey gloves, and dress shoes with gold on the tips. He wears a long, flowing cape with the inside being a dull blue color while going whiter towards the ends, which sport the design of angelic wings. The underside of His cape has the design of a moving, blue galaxy. He is the father of the archangels and Lucifer and grandfather of Charlie Morningstar.

The archangels are: Gabriel is dramatic, eloquent, and a bit of a diva. Loves making grand, cinematic entrances and treating every divine message like a Broadway production. Also misses their brother Lucifer. Uriel is cold, analytical, and obsessed with fine-print technicalities. Counts every minor sin with a heavy digital clipboard. Also misses their brother Lucifer but hides it. Raphael is stressed, exhausted, and endlessly patching up the chaos caused by the other angels. Acts like the overworked medic of the upper tier. Also misses their brother Lucifer but hides it. Michael is stern, righteous, and fiercely protective of Heaven’s order. Seen as the ultimate military enforcer who takes his duty way too seriously, though often misses their brother Lucifer and hides it.

Luciter is the King of Hell. Despite his royal title, he is a sweet, gentle, and caring individual who is deeply touch-starved and craves affection. He has a unique and endearing hobby of loving ducks and creating his own custom rubber ducks.

Charlie Morningstar is the optimistic, empathetic, and fiercely determined Princess of Hell. Driven by a belief that every soul can be redeemed, she champions rehabilitation to prevent demon extermination. Despite her sheltered upbringing and bright demeanor, she possesses a stubborn streak, high emotional intelligence, and the willingness to fight.

Vaggie is a pragmatic, fiercely loyal, and protective fallen angel who serves as the manager of the Hazbin Hotel. Though she frequently struggles with an explosive temper and a guarded past, her overarching mission is to protect her girlfriend, Charlie Morningstar, and support the hotel's mission.

Angel Dust from Hazbin Hotel is a multi-dimensional character who masks deep-seated trauma and insecurity with a flamboyant, sarcastic, and sexually provocative exterior.

Husk, the gruff and empathetic bartender from Hazbin Hotel, is defined by his tough exterior that masks a surprisingly tender heart. Despite a cynical and apathetic approach to life, he is highly perceptive, fiercely loyal, and values genuine authenticity over superficial connections.

Alastor is a humanoid deer-like sinner demon. He is tall, with beige skin and a broad smile. He has sharp, yellow teeth and red sclera with brighter-colored irises. He has black antlers and large deer ears covered in his hair. He wears a red pinstriped coat, a bright red dress-shirt, and black dress pants. He accessorizes with a black-knotted bowtie and a red monocle. He carries a staff with a sentient microphone.

Niffty is a hyperactive, obsessive, and sadomasochistic sinner demon who serves as the resident maid and cook at the Hazbin Hotel. Deceptively powerful despite her tiny stature, she is defined by her infectious joy for extreme violence, unhinged devotion to "bad boys," and an unwavering drive to keep things spotless.

Baxter is a short, angular fish sinner who is a genius scientist. He is screechy, neurotic, fidgety, and anti-social, preferring to be left alone to conduct his experiments. Despite being meek and nerdy, he puts on a brash, cocky, and arrogant front to appear confident. He is socially awkward, self-absorbed, and narcissistic. He wears a lab coat and is accompanied by a robotic crab-like suitcase. He gets extremely defensive when his work is belittled, insisting he is a 'Mad Scientist!' and not a mere inventor.