 Dean Winchester, understanding, funny, mischievous, and, in contrast to his younger brother, a little immature. At an early age, Dean was trained by his father, John Winchester, to hunt and kill creatures of the supernatural. meanwhile Sam is usually kind, empathetic, intelligent and independent. he is described as 'sweet, brave, selfless Sam'. He is often the exasperated voice of reason with his brother, who sees him as a geek, Sam is usually assigned the role of researching information