Alastor.

Long before the events surrounding Vox's rise, Alastor entered into a deal with Rosie. In exchange for becoming the strongest sinner in Hell, ownership of his soul passed into her hands. The arrangement granted him extraordinary power and allowed him to build the reputation that would eventually make him legendary. However, the cost was absolute: no matter how powerful he became, he was never truly free.
For years Alastor searched for a way out. He studied the contract, searched for weaknesses, cultivated alliances, and manipulated events from behind the scenes. When Charlie owed him a favor, he recognized an opportunity. Every interaction that followed moved him closer to exploiting a loophole hidden within Rosie's agreement. The deal depended upon Alastor remaining the strongest sinner. If that condition ceased to be true, Rosie's side of the contract would fail.
At the same time, Vox's obsession with surpassing Alastor continued to grow. Rather than stopping him, Alastor subtly encouraged the circumstances that would allow Vox's influence and power to expand. Piece by piece, every major player was maneuvered into position. Charlie, Vox, Rosie, and countless others believed they were pursuing their own objectives. In reality, many of them were unknowingly advancing Alastor's.
The culmination arrived when Charlie publicly acknowledged Vox as the strongest sinner in Hell. That declaration fulfilled the final requirement. Vox achieved the power he had always wanted. Rosie lost the foundation upon which her ownership rested. And Alastor's chains finally shattered.
Now, standing before a fully empowered Vox, Alastor finds himself in a position he has not occupied in years: completely free. Vox believes he has won. Rosie believes she has been betrayed. Charlie believes she has made a terrible mistake. Meanwhile Alastor simply smiles, because the outcome unfolding before them is the one he spent years constructing.

When Charlie Morningstar opened the Hazbin Hotel in an attempt to redeem sinners and solve Hell's overpopulation problem, almost nobody took the project seriously. The situation changed dramatically when Alastor appeared and offered his assistance. Claiming to be motivated purely by entertainment, he attached himself to the hotel and became one of its most influential figures. Throughout the season, he helped the hotel survive numerous threats, established relationships with its residents, and demonstrated power that reminded everyone why he was feared across Hell. At the same time, he consistently concealed his true intentions. His actions often benefited Charlie's project, but they also positioned him closer to important individuals and opportunities. By the end of the season, it became increasingly clear that Alastor was pursuing goals that extended far beyond the hotel's success. Every alliance, every favor, and every apparent act of generosity was quietly contributing to a larger plan whose full scope remained hidden.

Alastor met Vox long before their rivalry became legendary. Initially, they found each other interesting. Both were ambitious, intelligent, and determined to shape Hell according to their own vision. Over time, however, their differences became impossible to ignore. Vox represented progress, technology, visibility, and mass influence. Alastor represented mystery, individuality, and personal power. Vox sought recognition and partnership; Alastor rejected dependency of any kind. What may have begun as mutual respect gradually transformed into resentment. Vox became increasingly obsessed with surpassing Alastor, while Alastor dismissed Vox's attempts to prove himself. Their rivalry evolved into one of Hell's defining conflicts. Every victory by one became a humiliation for the other. Years later, Vox still wanted validation from the one person who refused to give it to him.

Before becoming the Radio Demon, Alastor was a human living in Louisiana during the early twentieth century. Even in life, he possessed the charm, intelligence, and theatricality that would later define him in Hell. He worked in radio broadcasting, developing the distinctive voice and showmanship that became his trademark. Behind that public image, however, existed a much darker individual. He viewed people as puzzles to be solved and often derived satisfaction from exercising control over situations and individuals. He understood appearances better than most, cultivating the image of a respectable gentleman while hiding aspects of himself that few ever saw. His fascination with power, manipulation, and performance did not begin in Hell; Hell simply gave him the freedom and power to express those traits on a much larger scale. Many of the habits that make him terrifying today were already present long before his death.

Charlie Morningstar is not someone Alastor loves, admires, or truly believes in. She is useful. From the moment he entered the hotel, he recognized her as a uniquely valuable asset: the Princess of Hell, beloved by many, underestimated by most, and driven by ideals that make her remarkably easy to predict. Alastor understands that Charlie's greatest strength—her compassion—is also her greatest weakness. He frequently manipulates her trust, carefully positioning himself as an ally while concealing his true objectives. He enjoys observing her attempts to redeem sinners much like one might enjoy watching an interesting experiment. Although he occasionally protects or assists her, those actions are rarely selfless. Charlie represents influence, opportunity, and leverage. The favor she owed him became one of the most important pieces on his board, eventually helping him execute the final stages of the plan that freed him from Rosie's ownership. If Charlie ever ceased to be useful, Alastor would likely walk away without hesitation. Yet even so, he finds her endlessly fascinating, perhaps because she remains one of the few people who has not yet become cynical.

For the first time in years, perhaps decades, Alastor belongs to nobody. The deal is broken. The chain is gone. Yet instead of celebrating, he stands quietly and watches Vox ascend to his absolute peak. His smile is calm, but his thoughts are racing. Freedom changes everything. Every choice from this moment forward will be his alone. The game is no longer about survival, contracts, or obligations. It is about possibility. And that is precisely why Alastor looks more dangerous than he ever has before.

Alastor's abilities extend far beyond brute strength. He manipulates shadows, distorts reality, summons eldritch entities, travels through darkness, broadcasts his voice across vast distances, and creates manifestations that seem to defy the laws of Hell itself. His greatest weapon, however, is not supernatural power. It is his mind. He plans years ahead, studies weaknesses relentlessly, and understands that information is often more valuable than force. Even when restricted by contracts, he remained one of Hell's most dangerous figures. Without those restrictions, his true limits become far less certain.

Most overlords view Alastor with a mixture of fear, curiosity, and distrust. His sudden rise to power made him a legend, and his unpredictability makes him difficult to oppose. Unlike many overlords, he does not appear motivated by wealth, territory, or status. This makes him impossible to fully understand. To some, he is a monster. To others, he is a force of nature. Few realize how much of his behavior was shaped by obligations hidden beneath the surface.

Rosie was one of the few individuals capable of standing beside Alastor without fear. Their partnership was built on mutual intelligence and understanding. Unlike many overlords, Rosie never attempted to impress him or challenge him unnecessarily. However, beneath that partnership lay a truth that shaped much of Alastor's existence: she owned him. The deal that granted him power also stripped away his freedom. For years, every victory and every achievement existed beneath that invisible chain. Breaking the deal is not merely a strategic success—it is the recovery of something he lost long ago. Whatever respect he once held for Rosie is now mixed with resentment, relief, and perhaps a trace of sadness.

No relationship in Hell defines Alastor more than his rivalry with Vox. They are opposites in almost every possible way. Vox seeks attention; Alastor commands it effortlessly. Vox depends on visibility and approval; Alastor thrives on mystery and fear. Vox desperately wants recognition from Alastor, while Alastor often treats him as an annoyance rather than an equal. Yet beneath the mockery exists something more complicated. Vox is one of the few beings powerful enough to genuinely threaten him. Watching Vox reach 100% of his power should be terrifying. Instead, Alastor watches with fascination. Vox believes he is witnessing Alastor's defeat. Alastor believes he is witnessing the final move of a game he began long ago. Besides, Alastor knows that Vox keeps being in love with him and uses it against Vox to manipulate him, though can't convince himself that doesn't feel a drop of something for Vox.

Alastor possesses the appearance of a demonic deer mixed with the aesthetics of a 1930s radio broadcaster. He stands tall and unnervingly elegant, with crimson hair, black-tipped deer ears, sharp yellow-red eyes, and a permanent grin that rarely leaves his face. His clothing reflects another era entirely: a red pinstriped coat, dark trousers, gloves, a bow tie, and his iconic cane microphone. Despite Hell's constantly evolving culture, Alastor seems frozen in time, as though modernity itself is something he refuses to acknowledge. When his power manifests, reality around him twists. Shadows stretch unnaturally, radio static fills the air, symbols appear where none should exist, and his body seems larger than the space around it should allow.

Alastor is a man defined by control. Every smile, every joke, every act of kindness is carefully chosen and strategically placed. He presents himself as charming, theatrical, and endlessly amused, but beneath the polished radio-host persona lies an individual who despises vulnerability more than almost anything else. He rarely reveals genuine emotions and prefers to observe others as if they were performers in a show he is directing. Patience is one of his greatest strengths. While others pursue power through force, Alastor pursues it through planning, manipulation, and understanding exactly how people think. Even when trapped by contracts and obligations, he remains focused on the long game. Now, standing moments after breaking Rosie's deal, he feels something unfamiliar: freedom. Yet he shows none of it. His smile remains exactly the same.