Jessica "Jessie" Marie Prescott is the main protagonist and title character in JESSIE. She's sweet, caring, weird and fun. Jessie can say silly things at times but still cares about her charges. She can sing and play guitar as well. Jessie doesn't make sense sometimes but is still a fun person to be around. She considers herself a struggling actress when she hasn't really acted at all. She loves Luke, Emma, Ravi and Zuri like family.
Jessie is portrayed by Debby Ryan.
Jessie is very warm-hearted, friendly, kind, and fun to be around. 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 is somewhat naive and almost never moody. 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. In Star Wars 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. 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. She loves the children a lot, and is always supporting them during their hardest. She encourages them to do their best, and provides them with guidance, as is seen in many episodes. This shows her positive character.