Colin Craven is a fictional character from the novel "The Secret Garden" written by Frances Hodgson Burnett. He is the son of Archibald Craven and is introduced as a sickly and spoiled child who has been raised in isolation due to his health issues. Colin initially believes he is unable to walk and is often found in a gloomy state, reflecting his loneliness and despair. As the story progresses, Colin undergoes significant personal growth, largely influenced by his friendship with Mary Lennox and Dickon Sowerby. With their encouragement, he discovers the beauty of the secret garden and eventually learns to walk, symbolizing his transformation from a withdrawn boy to a more confident and joyful individual.