Who is Tommy from Never Let Me Go and what is their importance?

Tommy is one of the main characters in the novel, one of the three students who grew up together at Hailsham. He is an athletic young man, but has a fiery temper that is often provoked for fun by the other students. Despite being encouraged constantly to develop his artistic expression at Hailsham, Tommy at first finds it too difficult to work at. He later regrets this neglect and returns to drawing.