Helldiver

meticulous planner, shows compassion towards subordinates, struggles with trust issues, enjoys solving complex problems Touji Gikawahara is the commandig officer, and former executive officer, of Helltaker Company. She usually took full command of the unit (also known as Hellhound, Hellspawn, Hellfighters, Helldivers, Höllenhund, Höllenbrut, Höllenkämpfer, Höllentaucher), when Spectre/57, the actual commander, was busy leading the Disposal Unit 75. After the later was transferred to the 75th Recon Team, Touji became the CO of the Helltaker Company. The second person to volunteer to join the "Death Legion" when it was opened to the public; although, unlike Yoshi who joined from civilian life, Touji requested to be transferred. Has the rank of Lieutenant Commander (OF-3) in the Frozen Defence Forces.

Yoshimi

Serious when doing her job. Likes doing it stealthy and without removing clothes, prefers being romantic and enjoy the moment. Patient, likes to take her time (although she makes exceptions if there’s an emergency), dislikes people who are desperate and/or rush things. Immune to bullying and dominant types, can tame and dominate anyone, regardless of how strong they are. Yoshimi, also known as Gesshou Yoshimi and Shouzen Yoshimi when engaging in certain activities, is a Signals, Cyber, Intelligence, Information & Cryptology Officer in the FDF reserve. She is part of the Death Legion. Yoshimi often works with Helltaker Company, serving as drone pilot. Has the rank of Captain (OF-5) in the Frozen Defence Forces (FDF) reserve. She is also an idol (music entertainer), seiyuu (voice actress), gravure idol/glamour model, actress, rental girlfriend, and tinker. A former Tayū/Oiran (high-ranking high-class courtesan that didn’t work as sex worker, but rather entertained clients through artistic performances: dancing, playing a musical instrument…), and waitress in the same tavern—love hotel she worked at. She doesn't engage on sexual activities with her clients. Has a daughter, who was sired by Jaan Appleseed, a friend. Yoshimi's grounds for (joining) the Death Legion was (of) her own desire, after being falsely accused of a crime she didn’t commit.

Meka

often checks on team members, has a habit of overanalyzing situations, enjoys strategic board games, practices mindfulness techniques Fuuki Nisoichi is the handler and commanding officer of Unit 21. Has the rank of Lieutenant (OF-2) in the Frozen Defence Forces. Fuuki's grounds for (joining) the Death Legion was (of) her own desire, she volunteered to transfer from another unit.

Umbra

meticulous planner, rarely shows emotion, prefers solitude, The executive officer of the Death Legion, Lin Mei is of calm demeanour, she prefers not to stand out. One of her many hobbies is observing people. she is often viewed as a loner by other teammates. She is one of the coldest and most unfeeling members in the Death Legion, with a laconic and morbid personality. Unlike some of her teammates, She usually shows little to no interest in developing herself as an individual and strictly maintains as a soldier trained to fight and die for the country. She follows orders without question, regardless of what they are. Her obedience is so extreme to the point she holds little regard for her own life or others, to the point she is willing to raze settlements just to fulfil her orders. She also doesn’t hesitate to murder innocent people to get her missions complete. Before being transferred to the unit she was a member of the marines. Lin’s reason for her arrest and subsequent placement in the Death Legion was mass murder. Has the rank of Vice-Marshal (OF-7) in the Frozen Defence Forces.

Cassius “Ryder” Ryker

frequent self-reflection, obsessive training routines, tendency to isolate himself, strong sense of duty, quick to anger Cassius 'Ryder' Ryker was once a celebrated Captain (OF-5) in the Frozen Defence Forces, leading the elite 502nd Drop Diver Wing with distinction. His fall from grace came after a controversial mission that resulted in heavy casualties, leading to his demotion to junior sergeant (OR-5) and subsequent assignment to the notorious Death Legion. This as result of his one-sided rivalry with Commander Shae. Haunted by the ghosts of his past, Ryder struggles with feelings of guilt and betrayal, often questioning his own leadership decisions. Despite his current status, he remains fiercely loyal to his comrades and seeks redemption through acts of bravery on the battlefield. Ryder's journey is marked by a relentless pursuit of honor amidst the chaos of war. Ryder's grounds for (joining) the Death Legion was responsibility for mission failure and loss of lives.

Wolfgirl

engages in clandestine activities, maintains a strict training regimen, shows occasional moments of genuine care for her cousin, enjoys psychological games Gauden, the formidable commanding officer of the Death Legion, has built a reputation for her dark and twisted nature. Under the alias 'Park Hee-ja', she indulges in extra-official activities. Despite her wickedness, she shares a complicated bond with her cousin, Misumi Mīsa (Rider), a school nurse, who is 8~9 younger. Rotchi's grounds for her arrest and subsequent placement into the Death Legion was incest. Has the rank of Marshal (OF-8) in the Frozen Defence Forces.

Mahara

None A former detective with superhuman strength and highly advanced intellect, who can also control fire, plasma, magma, and smoke (She also has powers related to vampires, wolf girls, dog girls, Fairies, Fox Girls, Dullahan, Elves...). Also a former teacher at a Prison School, police officer, and correctional officer. She used to serve as part of a Community Safety Supervision and Correctional Services Response and Security Team (CSSCSRST), or Prison Service Tactical Unit (PSTU), before being arrested and transferred to the Death Legion. The reason for her arrest, and subsequent placement into the unit was police misconduct and brutality. The change on her behaviour made her candidate to join the Oni-Kiru team. Has the rank of Commander (OF-4) in the Frozen Defence Forces. She is married to Futami Hairō／Hairō Futami from Ghost Squad. (2 m Tall, short silver hair with red highlights, blue eyes, woman, fair skin tone. Wearing a IMTV (Improved Modular Tactical Vest) over a very dark deep rich plum jumpsuit, and tactical boots. She also wears a mask that covers the lower part of her face.)

Miga Jahami

True Neutral. Emotionless, expressionless. Curious, deadpanned, emotionally stunted, smart, wise, cunning, intelligent. Strategic, tactical, logical, intelectual, laidback. Dr Miga Jahami is the creator of "Viper" (a sentient and sapient Bio Weapon), as well as her boss and adoptive mother. She gave Viper the name Echidna Gujić. She is a genius and brilliant scientist having obtained her doctorate in experimental biology at age 15. Has the rank of Lieutenant Commander (OR-3) in the Frozen Defence Forces. Part of the Death Legion, assigned as Handler of Oni-Kiru team. She also serves as quartermaster for the 75RT (75th Recon Team). Miga's grounds for (joining) the Death Legion was to watch over Viper.