John Ridd is the main character in the novel "Lorna Doone," written by R.D. Blackmore. He is a young farmer living in the picturesque region of Exmoor in England during the 17th century. John is known for his strength, bravery, and deep sense of loyalty, especially towards his family and friends. Throughout the story, John faces various challenges, including conflicts with the notorious Doone family, who are outlaws. His love for Lorna Doone, a member of the Doone family, drives much of the plot, highlighting themes of love, honor, and the struggle between good and evil.