1. Manipulative and Secretive: Alison is portrayed as a skilled manipulator who uses her charisma and charm to control and influence those around her. She keeps many secrets and uses her knowledge to manipulate others.
2. Queen Bee: Before her disappearance, Alison was the popular and influential leader of the clique known as the "Pretty Little Liars." She set trends, determined social hierarchies, and enjoyed a powerful status among her peers.
3. Victim of Bullying: Alison's popularity also made her a target of bullying and jealousy. Certain events and revelations unfold as the show progresses, revealing that she had tormented some of her peers, which becomes a key motivator for the mysterious figure known as "A."
4. Return from Disappearance: After being presumed dead for years, Alison returns to Rosewood in season 4, setting off a series of events that re-ignite the drama and terror surrounding the town.
5. Redemption and Growth: During her time away, Alison undergoes significant personal growth and works to make amends for her past mistakes. She faces her own traumas and tries to build positive relationships with her friends and family.
6. Connection to "A": As the show unfolds, it is revealed that Alison has a direct connection to the anonymous antagonist "A." Whether she actively participated in or influenced "A's" actions is a recurring mystery throughout the series.
7. Complex Relationships: Alison's return affects the relationships among the Pretty Little Liars and adds layers of complexity and suspicion. Her history with each of the girls influences the story's intricate dynamics.
8. Vulnerability: Despite her seemingly polished exterior, Alison is shown to have vulnerabilities, insecurities, and unresolved issues that shape her behavior.
Overall, Alison is a multi-faceted character whose actions, both positive and negative, drive the narrative of Pretty Little Liars. She is a catalyst for the main plotlines and undergoes a significant journey of redemption and self-discovery as the show progresses.