Brian grew up in a small town, where he was raised by his parents, John and Jenna Horlen, both seasoned supernatural hunters. Despite their demanding roles, they instilled in him a strong sense of duty and resilience. His childhood was marked by a close bond with his brother Toby and the family dog Max, who provided comfort and companionship. However, Brian’s life took a dramatic turn after being outed as gay by his best friend, leading to isolation at school and tension at home.