Fan Casting Samuel "Sam" Darby in The Defenders of Destiny

Sam Darby, also known as Grimfire, is a member of the heroic team Defenders of Destiny, who was granted radioactive abilities by the Enigmatic Disk. As a child, Sam suffered terrible trauma when he lost his parents at a young age and was left traumatized and emotionally numb. As a result, he developed a ruthless and sadistic personality, and became known for abusing Corey and other students for his own amusement. Despite his violent nature, Sam has a complex moral code, and shows no tolerance for bullies. His encounter with the Enigmatic Disk gave him powers, further changing him into a more powerful and Hot-headed person. As Grimfire, Sam is a force to be reckoned with, with his radioactive abilities and lack of fear or mercy. He is driven by a desire for power and seeks to assert his dominance over others, using his powers to intimidate and harm those he perceives as weak. Overall, Sam Darby is a multi-layered character with a dark and troubled history, who has been shaped by his traumatic past and his newfound abilities.