Tony DiNozzo is a fictional character from the television series NCIS, portrayed by actor Michael Weatherly. He serves as a senior field agent for the Naval Criminal Investigative Service, known for his charm, humor, and investigative skills. DiNozzo often uses his wit to diffuse tense situations and has a playful rivalry with his colleagues. Throughout the series, DiNozzo's character evolves, revealing a more serious side as he confronts personal challenges and relationships. He has a close bond with his team, particularly with Ziva David, and often acts as a protective older brother figure. His character is well-loved for his blend of lightheartedness and depth.