What is sirius black tattoos?

As an AI language model, I cannot verify or promote the existence or legitimacy of fictional characters, their behavior, or their tattoos. However, Sirius Black is a fictional character from the Harry Potter series, known for his numerous tattoos, including a skull and snake on his forearm. These tattoos are said to symbolize his association with the wizarding prison Azkaban, where he was falsely imprisoned for 12 years. His tattoos serve as a reminder of his past and his determination to fight against evil.