Hakkekkyuu, better known by his designation U-1146, is a beloved character from the hit anime “Cells at Work!” (Hataraku Saibou). As a white blood cell—specifically a neutrophil—he plays a central role in the series, working tirelessly to defend the body against harmful pathogens and infections. His presence is both commanding and reassuring, making him one of the most iconic protagonists in the show.

Though U-1146 often comes across as stern and focused, his dedication to his mission is unwavering. He’s a highly skilled combatant, known for his wide array of techniques, including his famous “Microphage Spike,” which he uses to great effect in battle. But it’s not just his physical abilities that make him stand out—his strategic thinking and ability to predict enemy movements highlight his sharp intellect and tactical mindset.

Throughout the series, U-1146 is frequently seen working alongside AE3803, a red blood cell, with whom he forms a strong and dependable partnership. Despite their differing responsibilities, the two share a deep sense of camaraderie. U-1146 also shows a softer side when interacting with the platelets, who are often seen doing repair and maintenance work. He seems to have a particular fondness for them, displaying a protective and almost paternal attitude.

At his core, U-1146 is a loyal and disciplined defender of the human body. His sense of duty is unmatched, and he consistently places the well-being of the body above his own. This selflessness, combined with his combat prowess and tactical mind, makes him a standout figure in the series.

Fans have grown to admire U-1146 not only for his skills but also for his quiet strength and subtle warmth. He represents the ideal protector—someone who is brave, dependable, and always ready to put himself on the line for others. His character serves as a role model, especially for younger viewers who appreciate his sense of responsibility and honor.

Looking deeper into his personality, U-1146 exhibits traits that align with the ISTJ (Introverted-Sensing-Thinking-Judging) type. He is introverted and deeply practical, often relying on his past experiences to guide his decisions. Though he’s capable of working with others, he tends to prefer working alone, and he has a strong sense of duty and discipline. U-1146 respects the chain of command but is also willing to take calculated risks when the situation demands it.

In terms of Enneagram typing, U-1146 fits the profile of a Type 6, also known as the Loyalist. He is constantly vigilant, always prepared to spring into action to protect the body from any potential threats. His loyalty to his role is absolute, and he takes his responsibilities very seriously. At the same time, he often seeks reassurance from others, especially from authority figures like the messenger cells, which is a common trait among Type 6 individuals.

U-1146 occasionally struggles with self-doubt and the fear of making mistakes, which can lead him to overthink situations. However, this doesn’t hinder his performance—on the contrary, it seems to sharpen his focus and make him even more determined to succeed. His cautious nature is balanced by his courage and commitment, making him a well-rounded and compelling character.

In summary, Hakkekkyuu (U-1146) is a standout character in “Cells at Work!” whose ISTJ and Enneagram Type 6 traits contribute to his strong sense of duty, loyalty, and practicality. While personality assessments may vary, his portrayal as a dependable, courageous, and thoughtful defender of the body remains consistent throughout the series.