Jessica "Jessie" Prescott is a 19-year old girl from Texas. Rebelling against her father, a strict Marine Sergeant, Jessie moved to New York City to realize her dreams, becoming nanny to the four Ross kids. As of Glue Dunnit: A Sticky Situation she is dating Tony, the doorman of their pent house.
Jessie is a warm-hearted, friendly, and kind type of person. She is always willing to help others, especially the Ross Kids, and tries her best to achieve goals. Even though she can get extremely jealous and annoyed at times, Jessie does her best to make things right at the end. She describes her romantic life to be very embarrassing and sad and states that she has never been on a date where something hasn't gone wrong. She has a fear of Port-a-Potties, but she gets over it in A Doll's Outhouse. Also, in the Star Wars' episode it is revealed she dislikes rats. Jessie is an idealistic, optimistic, well-rounded starry eyed teen who does her best to aim high. She was a straight A-student and Class of 2011 high school graduate in school. Not only that, but she has a squeaky clean record. She knows how to fly a helicopter and loves music. In the meantime, she moved to New York City to live her dream. She is currently working as a nanny for the Ross kids.
Despite being friendly, she can be aggressive, and threatening, when others push her to her limits, despite this she nearly always does the right thing.