Althea Winifred Sanderson, better known as Blind Al, is a fictional character appearing in American comic books published by Marvel Comics. She is commonly depicted as a supporting character of the antihero Deadpool.
Al first appeared in Deadpool #1, living with him in "The Deadhut", his house in San Francisco. At first her relationship with him was unclear, but over time it would reveal itself as highly complex and bizarre. From Wikipedia
