Neil Morton is recurring character on the show Shameless is Sierra's brother. He has a brain injury causing him say the first thing that comes to his mind, which is sometimes strange, rude or perverted.
He was handicapped due to a sporting injury when he was younger, and is also wheelchair bound.
As a child, he grew up with his sister Sierra Morton who cared for him, since he suffered a head injury. One night, their father came home drunk and attacked their mother before killing her. Neil and Sierra were told to not say a thing, as he buried their mother in the backyard. Neil's father was arrested and she was tended to by other relatives.
Neil shows up as the brother of Sierra Morton and becomes the love interest for Debbie Gallagher, despite both his and her family thinking that she is taking him for granted. Neil and Debbie have some happy moments before they get engaged.
After some time passes, he realizes her lack of interest in him, he tries to make himself appeal to her but nothing works as she mostly leaves her daughter in his care.
Afterwards, Debbie has one of her friends a nurse care for him, Neil quickly falls in "love" with her and promptly breaks up with Debbie while calling her an awful person. Debbie tried to warn him that the nurse was using him, though Neil said Debbie did that to him and has her leave while calling her an awful person.