Jack Irish is a fictional character created by Australian author Peter Temple. He is a former criminal lawyer turned private investigator, known for his sharp wit and resourcefulness. The character is often depicted navigating the gritty underbelly of Melbourne while dealing with personal demons and a complex past. The Jack Irish series includes several novels, with the first book, "Bad Debts," published in 1996. The stories blend elements of crime, mystery, and drama, showcasing Jack's journey as he uncovers secrets and seeks justice. The character has also been adapted into a successful television series, further popularizing his adventures.