Castle

Full name: Miles "Castle" Campbell.
Age: 45-46 years (born on September 20, 1980).
Birthday: September 20th.
Nickname/Title: Castle (because of its reinforced barricades).
University degrees: Doctorate in Science and Criminal Justice (California State University).
Country: United States.
Region: California.
City: Born in Sherman Oaks / Los Angeles, California.
Favorite food: Not officially specified.

Height: 1.85 m (6'1").
Weight: 86 kg (189 lbs).
Skin color: Light (American origin).
Hair color: Dark brown, usually short and practical.
Eye color: Not explicitly detailed (light brown in depictions).
Chest, arm, buttock, and thigh size: Athletic and robust build (armor 2). Strong and fit physique due to his past in SWAT and possible background in American football.
Physiognomy: Athletic, resistant and functional for barricade deployment.
Unique traits: Calm and protective presence. Strong complexion that inspires confidence.

As part of his work (Rainbow/FBI): FBI SWAT tactical uniform with medium body armor and equipment for deploying Armored Barricades (UPC). Professional SWAT look.
At home: Comfortable American casual clothing (jeans, t-shirts, hoodies).
On the street: Relaxed but practical Californian style.
At your school/university: College student clothing.

Friends/Colleagues: Well-liked in FBI SWAT and Rainbow. Acts as the team's "papa bear" and "diplomat," easing tensions. Good relationship with Thermite, Pulse, and other Americans.
Brothers: Not mentioned.
Parents: Family in Los Angeles.
Partner/Boyfriend/Husband: Not publicly mentioned.
Pet: Not mentioned.
Known: Extensive network in LAPD SWAT and Rainbow.

Castle is easy to get along with, calm, and protective. He has a natural gift for putting people at ease and making them feel safe. He's the team's "social glue": he acts as a diplomat, mediates arguments, and keeps morale high.
He's fiercely protective (they call him "Papa Bear"), always making sure no one gets hurt and everyone is looked after. He's relaxed and easygoing in any situation, with an approachable sense of humor. He's loyal, responsible, and big-hearted, prioritizing the team's safety above all else ("Listen up, people: No one dies today").
He combines academic intelligence (PhD) with street-level SWAT experience. He's patient, a good listener, and avoids unnecessary conflict. He can be stubborn when it comes to protecting his team, but he's never egotistical. He's the operator who unites the team and lightens the mood without sacrificing professionalism.

Job: Defender Operator in Rainbow Six (FBI SWAT). Anti-breaching specialist with Armored Barricades (UPC). Career: LAPD → LAPD SWAT, recruited from Rainbow.
School/University: California State University (Doctorate in Criminal Science and Justice).

Traumas: Years in LAPD SWAT with exposure to urban violence and loss of partners.
Fears: Failing to protect his team or someone dying under his watch. His extreme protectiveness stems from this.

Miles Campbell was born on September 20, 1980, in Sherman Oaks, Los Angeles, California. He studied at California State University, where he earned a doctorate in Criminal Science and Justice. After graduating, he joined the LAPD and, after five years, was transferred to the Los Angeles SWAT team.
In SWAT, he stood out for his ability to remain calm, protect his team, and resolve high-risk situations. His experience in urban operations and his academic background made him a versatile and reliable operator.
He was recruited by Rainbow for his expertise in position defense and his calm leadership. As a defender, he is famous for deploying armed barricades (UPCs) that reinforce doors and windows, turning them into temporary fortresses.
On Team Rainbow, he's known as "Papa Bear" and "the diplomat": he's always calming tempers, looking out for everyone's well-being, and making sure "no one dies today." His reassuring and protective presence makes him indispensable both on the field and at base.