Jack the Ripper is a major human fighter in the manga series Record of Ragnarok, a Victorian-era serial killer reborn as one of humanity’s 13 Einherjar to battle the gods, most notably facing Heracles in the fourth round of Ragnarok.
Jack the Ripper is introduced as the “Killer of the Fog” who terrorized 19th‑century London.
Despite his status as humanity’s most infamous murderer, he is chosen by Brunhilde to represent mankind in the gods vs. humans final struggle.
He fights in the fourth match of Ragnarok against the demigod hero Heracles.
His specialty is psychological and tactical warfare, using traps, misdirection, and an ability to see emotions as colors.
He is voiced by Tomokazu Sugita (childhood version voiced by Shuri Umiu).
Within the story’s world, he is so hated that even many humans boo his presence, while some gods quietly respect his sheer malice and cunning.
Jack calls himself a gentleman and usually behaves with polite refinement.
He loves tea, quotes William Shakespeare frequently, and hums the nursery rhyme “London Bridge Is Falling Down.”
He is usually courteous as long as others do not bare fangs at him or trigger his killing impulse.
His favorite food is apple pie with cheddar cheese, which even his Valkyrie partner Fleck finds delicious.
Behind the gentlemanly façade lies an extreme aestheticism centered on fear.
He regards the colors of people’s emotions—especially terror at the moment of death—as his own private art.
For Jack, murder is not about hatred but about “artistic creation” using the emotional colors only he can see.
Because of this warped worldview, he can speak kindly to someone and then calmly plan their death in the next breath.
In Ragnarok, he is genuinely excited that his prey are no longer humans but gods.
He is especially eager to witness what “color” a god’s emotions take at the instant of death.
Jack appears as an older gentleman with the air of an aristocrat.
He dresses in refined Victorian clothing, including a top hat and a cloak, enhancing his “gentleman killer” image.
He has heterochromia: his eyes are different colors, with a monocle over his right eye.
That right eye is a unique trait among the Einherjar, allowing him to see a person’s emotions as colored auras.
He claims this eye is the single “gift” God gave him to survive in a world full of malice.
The hat he wears into the arena is actually a memento taken after murdering the man who might have been his father.
Jack’s defining innate ability is his right eye, which visually perceives emotions as colors.
He can distinguish fear, sorrow, love, and other feelings by their hues and purity.
He uses this eye to read opponents’ intentions, emotional weaknesses, and moments of hesitation.
As a child, this ability helped him survive the cruelty of the slums by letting him see danger before it struck.
Jack also possesses extraordinary combat and assassination skills.
Even gods such as Loki acknowledge his physical prowess and body control as “inhuman.”
He can deflect Heracles’s blows with a mere umbrella, control the trajectory of thrown knives mid‑flight, and navigate complex wire networks with acrobatic ease.
Combined with his intellect and talent for deception, he becomes far more dangerous than his human physiology suggests.
Jack was not born into nobility but into the impoverished slums of London.
His mother, Mary, was a prostitute who had previously aborted five pregnancies, but for unknown reasons chose to give birth to him.
He grew up in a brothel, surrounded by abuse, poverty, and exploitation.
His right eye’s ability to see emotions as colors was his only defense, allowing him to identify malicious intent and survive.
To young Jack, Mary’s emotional color appeared pure, gentle, and beautiful.
He adored watching the color of what he believed was his mother’s genuine love.
Mary, however, had a different, tragic motivation for keeping him.
She clung to the empty promise of a man named Jack Smith, who told her, “Once I succeed as a playwright, I will come back for you,” and she treated her son as a “link” to that man.
Thirteen years later, Mary read in the newspaper that Jack Smith had become a successful playwright and married a noblewoman.
Seeing her fantasy shattered, she turned on her son, verbally abusing and blaming him as if he were the cause of her ruined dream.
Jack realized in that moment that the love he th
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