TV-Series
Description
Sir Integra Hellsing, whose full name is Integral Fairbrook Wingates Hellsing, is the head of the Hellsing Organization, a secret agency within the United Kingdom dedicated to eliminating supernatural threats. As the last surviving member of the Hellsing family, she carries the weight of a long legacy, being a descendant of the legendary vampire hunter Abraham Van Helsing. At the start of the main storyline, she is twenty-two years old.

Integra's background is defined by a childhood marked by duty and trauma. Raised from birth to succeed her father, Sir Arthur Hellsing, she was educated in leadership, military tactics, and the occult. When she was twelve years old, her father died, leaving her the family estate and its mission. This inheritance was immediately challenged by her treacherous uncle, Richard, who attempted to kill her to claim the Hellsing fortune for himself. In a desperate flight, Integra fled to the dungeons of the Hellsing manor, where she discovered the sealed body of a vampire her father had imprisoned decades earlier. After Richard shot her, her blood spilled onto the vampire's corpse, awakening it. The creature, who identified himself as Alucard, slaughtered her uncle's men. With courage beyond her years, Integra picked up a gun and killed her uncle herself, cementing her position as the head of the family and Alucard's new master.

Her personality is characterized by a formidable and collected demeanor. Integra rarely allows her emotions to interfere with her work, presenting a calm and business-like front even in the face of overwhelming terror. However, she is known to be prone to sudden, fierce fits of anger, particularly when her orders are questioned or her organization is threatened. She possesses an indomitable will and an almost fearless nature, refusing to be intimidated by powerful beings such as Alucard or the vicious Iscariot priest Alexander Anderson. While she appears cold and detached, she genuinely cares for the lives of her subordinates, seeking vengeance when they are killed and showing visible distress when forced to order the death of a trusted ally turned traitor.

Her primary motivation is her unwavering sense of duty. Integra believes her family is on a mission from God, and she values her responsibility to protect the United Kingdom, the Queen, and the Anglican Church above everything else. She is a fervent patriot who cannot tolerate failure, especially her own. This dedication to humanity drives her every decision, as she firmly believes that it is only through human will and duty that monsters are defeated.

Within the story, Integra serves as the commander and strategic leader of the Hellsing Organization. She sits on the Convention of Twelve, a secret council of knights that governs supernatural affairs, and holds the title of "Sir," a traditional honorific for knights that has caused confusion about her gender. After a crippling attack on her headquarters by the artificial vampire siblings Jan and Luke Valentine, she is forced to hire the Wild Geese, a band of mercenaries, to fill her depleted ranks. As the narrative progresses and the Nazi remnant group Millennium invades London, she personally takes to the front lines, wielding a saber and a pistol to fight vampire soldiers, proving she is not merely a desk-bound bureaucrat.

Her key relationships profoundly shape her character. The most significant is with her servant, Alucard. Their bond is complex, rooted in a master-servant dynamic where she holds absolute control over the powerful vampire. He obeys her commands and addresses her as "Master," and she is one of the few individuals who commands his respect. Their connection is long-standing, having been bonded for a decade. In turn, Alucard is fiercely protective of her honor and her life. She also shares a deep bond with Walter C. Dornez, the Hellsing family's loyal butler and a legendary vampire hunter in his own right, who served as a caretaker and advisor throughout her childhood. Her relationship with Seras Victoria, Alucard's fledgling, develops from professional distance to a close companionship, as they are the only survivors of the Hellsing Organization by the story's end.

Integra undergoes significant character development throughout the conflict with Millennium. Beginning as a young and somewhat inexperienced leader, she matures into an iron-willed commander of immense resolution. She endures the betrayal of a trusted family retainer, the death of her allies, and the apparent sacrifice of Alucard. The story's antagonist, the Major, recognizes this transformation, apologizing for initially addressing her as a "beautiful Fräulein" and instead acknowledging her as his most dangerous enemy. Decades after the final battle, a much older Integra continues to head the organization, having accepted that family-run agencies are becoming outdated, and she and Seras await the eventual return of Alucard.

In terms of notable abilities, Integra is a highly skilled leader with a keen strategic intellect. She is a superb fencer, possessing the speed and skill to block attacks from supernatural opponents like Alexander Anderson. Her marksmanship is also exceptional; she is known to use a customized Sig Sauer P226 pistol and has demonstrated the ability to shatter incoming projectiles with precise gunfire. Despite being an ordinary human without superhuman powers, her greatest assets are her unbreakable will, her absolute command over Alucard, and her ability to inspire fierce loyalty in her soldiers.