Bob Wiley is a fictional character from the 1991 film *What About Bob?*, portrayed by actor Bill Murray. He is a neurotic man who struggles with various phobias and anxieties, seeking help from his psychiatrist, Dr. Leo Marvin, played by Richard Dreyfuss. Throughout the film, Bob's quirky behavior and endearing personality lead to humorous situations as he becomes overly attached to Dr. Marvin, disrupting the psychiatrist's life and family. The movie explores themes of mental health, personal growth, and the impact of therapy in a lighthearted manner.