Thomas, as played by Dylan O’Brien, has an athletic build suited for survival, with a lean frame and defined muscles from constant running. His dark, slightly disheveled hair often falls over his forehead, framing expressive brown eyes that shift between determination and vulnerability. His angular jawline and subtle stubble hint at his maturity despite his youth. Sweat and dirt frequently streak his tan skin, emphasizing the ruggedness of life in the Glade. His presence is intense, grounded by 