Anthony "Tony" DiNozzo comes from a wealthy family from New York. He is an only child but has been cut off from his family's fortune - similar to Michael Weatherly in real life.

He attended Rhode Island Military Academy as a teenager, and graduated from The Ohio State University, where he played basketball, with a BA in Physical Education.

He has worked in three different police departments - Peoria, Philadelphia, and Baltimore - staying in each location for an average of two years.

At the end of his stint with Baltimore homicide, he was hired by NCIS (prior to the pilot)

Tony is written as a streetwise, smart-aleck, promiscuous former homicide detective.

He is a flirt who does not respect personal boundaries, going so far as to rifle through his colleagues' possessions, both at work and in their homes, and listen in on private phone calls.

Although Tony is in his late 30s or early 40s, he is typically written as possessing a juvenile sense of humor that manifests itself in many ways - pranks, name-calling, etc.

Tony delights in quoting movies in everyday life.

Although his immature behavior often gets Tony into trouble, he also demonstrates himself to be an insightful agent when the need arises.

Tony's coworkers often display visible frustration with his antics, but just the same, throughout the series Tony has been shown to be very loyal to his coworkers at NCIS, particularly his supervisor, Leroy Jethro Gibbs.

Anthony (Tony) DiNozzo Quotes

I bet she's a panther in the sack!

Tony

High-tech case - low-tech ass-kickin'!

Tony
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Looking forward to Military Academy days with Tony!

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When are we going to see a Tony-centric episode in Season 12?

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Loooking forward to all the adventure and Tony on Season 12 of NCIS !

NCIS Quotes

Abby: It's okay. Breena's fine. Breathe. Good. Now hurry up and get to the hospital because Breena is in labor.
McGee: Jimmy? Did you hear what she said? She just said Breena's having a baby. I think you broke him.

Qasim: Who did you lose, exactly?
Bishop: A co-worker, a few years ago.
Qasim: It stays with you doesn't it? It's a heavy burden to bear alone.
Bishop: Look, I focus on the analytic aspects of things. That's where I'm effective. It's how I can best help people.
Qasim: And who is it that helps you? It's what we don't say that weighs the most. I hope you find the answers you're looking for.