- He is a reclusive misfit. Boo Radley rarely leaves his house, and when he does, he is often seen creeping around in the shadows. He has a reputation for being strange and dangerous.
- He is mentally ill. Some people believe that Boo Radley is mentally ill, which may explain his bizarre behavior. It is said that he was traumatized by an event in his childhood that caused him to withdraw from the world.
- He is a violent criminal. Others believe that Boo Radley is a violent criminal who has committed terrible acts. They point to the fact that he was arrested and charged with a crime when he was younger, although he was never convicted.
- He is a kind and gentle soul. A few people believe that Boo Radley is actually a kind and gentle soul who is misunderstood. They point to the fact that he has been known to help people in need, although he usually does it in secret.