Anthony D. "Tony" DiNozzo, Jr. is a fictional character from the CBS TV series NCIS portrayed by American actor Michael Weatherly. Created by producer Donald P. Bellisario, he appears as a series regular in the first 13 seasons before departing in the season 13 finale "Family First". He has also made guest appearances in the spin-offs NCIS: Los Angeles and NCIS: New Orleans.
The character initially drew mixed reception, often criticized for his male chauvinism.