As a matter of fact, I believe that Lennie is the most sympathetic because he has the mind of a child and he can not function properly. Lennie's disability excludes him from everyone else because they think he is too big and dumb. George tells slim "I used to play jokes on him. I had fun with im. Used to play jokes on him because he was too dumb to take care of himself." Lennie is more of child because he loves to play with small and soft things, but because of his powerful strength he tends to kill everything he holds. Because of Lennie's retardation he cannot live independently, he constantly needs someone to keep an eye on him to make sure he doesn't get into trouble. Lennie is so caught up in his imaginations that he is unable to face the
