|Full Name||Nicholas O'Connor|
|Nickname(s)||Nick (by everyone)|
|Date of Birth||2000-2001|
|Family||Eileen O'Connor (mother)|
|Relationships|| Andrea Munn (girlfriend)|
Melanie Yates (ex-girlfriend)
|School(s)||Lake Munro High School|
|First Episode||We Built This City (2701)|
|Portrayed By||David Mazouz|
Nick O'Connor is a senior (grade 12) at Lake Munro High School.
Starts Lake Munro in season 27, he develops a crush on one of his teachers. He begins to stay after class a lot to ask questions and to talk to her. She later begins to make advances towards him. She later becomes more sexual with him and she even suggests they have sex, which he agrees to. Their relationship gets more serious and Ben finds out about them. He threatens to tell someone and Nick feels betrayed. He tries to get Nick out of the relationship, but Nick does not want help and stops talking to Ben, thinking he is just jealous. In season 28, Ben decides to tell somebody about Nick and Melanie's relationship. He tells Mrs. Tirpack and Melanie is suspended. Nick, believing he was in a real relationship with her, is hurt and betrayed by Ben. He then stops talking to Ben and stops coming to school. Later, he returns to school but continues to ignore Ben. Ben tries to get Nick to realize what Ms. Yates was, but Nick refuses to believe him. In season 29, Ben makes one last attempt to talk to him. Nick does listen to Ben and he seeks help from the school counselor. Later, he talks with the counselor to get his life back on track. In season 30, he develops feelings for Andrea. He later asks her out, which she accepts. They begin a relationship with each other, his first relationship since the incident with Melanie. Later, it is revealed Andrea suffers from depression. She has a few bad days after their relationship starts and Nick gets upset because of this, and has the idea that because she is in a relationship, she should be cured. She tells him that it is not how it works and tells him that she will still have bad days. He understands and they sit together on her bedroom floor in silence. Later, on his way to visit Ben, he is hit by a car at a red light. The driver was later revealed to be drunk. Nick is rushed to the hospital with a lot of injuries. Ben feels guilty for the accident, because Nick was only on the road because of Ben. Nick tells him that it is not his fault and that he is going to be okay. In season 31, Andrea must transfer to Anchor Bay because all Lake Munro juniors were transferred to there. He is upset because he will not be able to see her at school everyday, but they try to make their relationship work. Later, this takes a toll on their relationship as they are both busy and cannot find enough time to spend together. Later, Andrea goes through a rough patch with her depression and Nick helps her through it. She also detaches from him, which worries him. After her suicide attempt, he organizes a depression awareness and suicide prevention assembly in which he talks about how depression can affect anyone.