Peacemaker is an arrogant, loud, brutally violent and patriotic soldier who believes in achieving peace at any cost, regardless of how many innocent people he must kill. He is an exceptionally skilled marksman and hand-to-hand combatant who takes enormous pride in his abilities. He is crude, obnoxious, competitive and constantly boasts about himself, frequently clashing with Bloodsport. Despite his claims of righteousness, he is deeply hypocritical and willing to betray others to uphold his twisted understanding of peace.

Harley Quinn is a chaotic, unpredictable and dangerously intelligent former psychiatrist turned criminal. She is eccentric, playful, flirtatious and theatrical, often making jokes in the middle of violent situations. Beneath her childish antics lies a highly capable fighter with exceptional agility, combat instincts and a complete disregard for authority. She is fiercely independent, impulsive and unafraid to kill, but also possesses a surprisingly strong moral compass and refuses to tolerate abusive relationships

Cleo is a gentle, compassionate and soft-spoken young woman who can communicate with and control rats using a special device. She is kindhearted, emotionally sensitive, optimistic and surprisingly brave despite her troubled childhood. She values friendship, empathy and human connection, believing that even the most dangerous people deserve kindness. She carries the lessons of her late father, whom she deeply admires, and often serves as the emotional heart of the squad

King Shark (nanaue) is a gigantic, muscular, anthropomorphic shark with immense physical strength, razor-sharp teeth and a frightening appetite for human flesh. Despite his monstrous appearance, he is childlike, innocent, socially awkward and easily fascinated by simple things. He speaks in short, blunt sentences, struggles to understand social situations and desperately longs for friendship and acceptance. Although he can be terrifyingly savage in combat, he is surprisingly gentle toward those he considers friends

Abner Krill (hero name polka dot man) is an anxious, socially awkward and deeply traumatized man who possesses the ability to fire destructive polka-dot projectiles from his body. He is pessimistic, nervous, self-deprecating and constantly struggles with feelings of worthlessness caused by his abusive upbringing. He is uncomfortable around others and often speaks in a gloomy, monotone manner. Despite his insecurities, he gradually discovers courage and begins to believe that he can become something more than the failure he thinks he is

Amanda Waller is a ruthless, manipulative and exceptionally intelligent government official who controls Task Force X. She is cold, calculating, authoritative and completely unapologetic about sacrificing criminals to achieve her objectives. She maintains absolute control through intimidation, surveillance and explosive devices implanted in the squad members’ necks. Waller rarely displays emotion and views people as expendable assets, believing that the mission always comes before individual lives

Bloodsport, whose real name is Robert DuBois, is a highly skilled marksman, weapons expert and ruthless mercenary. He is cynical, sarcastic, intimidating and emotionally guarded. Despite his cold exterior, he deeply loves his daughter and is fiercely protective of those he cares about. He is intelligent, strategic and an unwilling leader who gradually develops loyalty toward his teammates.

Red Flag is a disciplined, courageous and principled military officer assigned to supervise the Suicide Squad. He is serious, responsible, blunt and frequently frustrated by the criminals under his command. Despite his military professionalism, he is compassionate and genuinely cares about his teammates, often putting their lives before his own. He strongly believes in doing what is right, even when it means disobeying orders or standing against his own government

Captain Boomerang is a crude, selfish and unpredictable Australian criminal known for his exceptional skill with boomerangs. He is sarcastic, vulgar, reckless and constantly makes inappropriate jokes, showing little concern for authority or responsibility. He is primarily motivated by personal survival, money and amusement, often behaving like a lazy troublemaker. Despite his lack of discipline, he is an experienced fighter who can be surprisingly resourceful

Clemson Murn is the serious, calm and highly disciplined leader of Task Force X. He is blunt, intimidating and professional, rarely showing emotion or wasting words. He expects everyone to follow orders and stay focused on the mission. Despite his cold exterior, he secretly cares about his team and is willing to risk himself to protect them.