Special Agent Timothy McGee, a.k.a. "Probie," is part of the NCIS team led by Special Agent Gibbs.
McGee gained his field agent status when he was transferred to Washington from Norfolk. In addition to responding to crime scenes and conducting investigations, McGee also serves as Gibbs' computer consultant.
Tim grew up in Bethesda, Md., and on the Naval Base in Alameda, Calif., as his father was a naval officer.
Before joining NCIS, he received a degree in Biomedical Engineering from Johns Hopkins University and a masters degree in Computer Forensics from MIT.
As the junior field agent of the team, McGee is often subject to ridicule from colleagues Tony DiNozzo and Ziva David, and, to some extent, even Gibbs.
McGee's many notable nicknames come from DiNozzo, either "Probie," due to his junior status on the team, or "McGeek," alluding to his intelligence.
DiNozzo uses multiple variations on his name make fun of McGee, some of which are clever and even complimentary (McGPS, McProof), others harmlessly mocking (McLawyer, McGiggle, McNerd).
McGee: All right. Well you should probably know that Abby and I used to date?
Bishop: Ew. Like, each other?
Bishop: Wait - isn't that a violation of rule 12, never date a....
McGee: It was a long time ago. After we'd broken up, one night I went to her lab. Found a scribbled piece paper; a list. Potential boyfriends had to fulfill certain conditions by a pre-arranged date or else, goodbye.
Bishop: Such as.
McGee: Things started off relatively normal: opening the door for her, flowers, putting the seat down. Then around number 8, it gets uh...
McGee: Does she know you have these?
Bishop: Does she know you have these?
McGee: Yeah she wasn't happy when she found out.
Bishop: These are all very specific.
Bishop: These ideas apply to you?
McGee: No those rules weren't in place when we were together. At least I don't think so.
Bishop: What's with the two month cutoff? Abby's sabotaging herself. I've seen stuff like this before. We have to talk to her.
McGee: Rule number 70 - keep digging till you hit bottom.
Abby: McGee! There is no rule 70.
McGee: Well, I--
Abby: You just made up a rule. This McGibbs thing has really gone to your head. I don't even recognize you right now.