*Princess Sally Alicia Acorn (born 3219) is a character that appears in the Sonic the Hedgehog television series. She is an anthropomorphic squirrel or fox, the princess of the kingdom of Mobotropolis and the daughter of the King, making her the rightful heir to the throne. After Dr. Robotnik rose to power, Sally fled to Knothole Village where she and other children refugees became the Knothole Freedom Fighters.

Sally is accompanied by her intelligent computer, Nicole, with which she can access nearly any form of information. From childhood, she grew up with Sonic the Hedgehog, whom she would develop romantic feelings for. Apart from overthrowing Robotnik's tyranny, Sally's goal is also to find her father.

Sally is an anthropomorphic squirrel or fox with brown fur and tan fur around the front of her abdomen, muzzle, and eyes. She also have blue eyes and voluminous auburn hair. For attire, she wears tall, blue boots. Later on, she would also begin wearing a blue, sleeveless vest. Sometimes, she also carries a backpack.

Sally is intelligent, smart, confident, deliberate, and mature. She possesses a meticulous and no-nonsense personality and prefers to be concentrated and cautious. She is likewise strong-minded, guided by logic, and focused, preferring to plan ahead of situations before taking action. She possess as well a loving devotion to her people and friends. Her attitude stems from childhood due to a strict upbringing of learning etiquette, royal studies, and the family credo. Most of the time, she prides herself on her intellect and leadership skills. Whenever she feels stressed out, she consults Bunnie to balance her frustrations.

In spite of being a princess and proud of her title and heritage, Sally is very down-to-Earth and dislikes being treated any differently from the rest of her friends. She has a pride in her intellectual prowess and leadership skills that rivals Sonic's pride in himself however, and while she tends to boast about herself, she can be ornery and easily flustered when conflicting with another. Ultimately though, she is only concerned for her team's well being and shows extra concern for Sonic.

Sally also dislikes when men compete for her affection. In the end though, she chose Sonic, who is the closest to her heart, despite the fact that he annoys her with his confidence and recklessness.

Sally possesses Nicole, a highly advanced, multifunctional computer with a variety of functions at her disposal. With her, Sally possesses a wealth of information at her fingertips. She can also use Nicole to hack various machinery and computers.

As the heir to the throne, Sally is characterized by having great leadership skills and a knack for planning various sabotage actions against Dr. Robotnik. Possessing a sharp and analytic mind as well, Sally possesses a high intellect, and knows her way around various forms of technology. Namely, she knows how to access various forms of necessary information on computers, and can hack nearly any system. As a testament to her intellect, Sally can even find various solutions to very intricate problems.

Sally is also a talented acrobat, usually landing smoothly on the ground from great heights.

In the last episode of the series, she and Sonic after using Deep Power Stone gained an ability to generate a purple Aura and freely fly, with it not being implied she lost the ability later on, as the Aura persisted when she and Sonic kiss.*