A -pretty Little Liars- ~upd~ < LATEST | 2027 >

Introduced as Hanna’s best friend, Mona Vanderwaal was the first "A." Her motive stemmed from years of bullying by Alison DiLaurentis and the fear that the Liars would take Hanna away from her again.

: The central theme is how lies spiral out of control, blurring the lines between good and evil as the girls commit further transgressions to protect themselves. a -pretty little liars-

in 2006 before becoming a massive television phenomenon that aired on Freeform from 2010 to 2017 The Core Premise Introduced as Hanna’s best friend, Mona Vanderwaal was

Even years after the finale aired, the search for continues. The character redefined what a TV villain could be. Before PLL , antagonists had clear faces. "A" was an idea—a system of surveillance that predated the Black Mirror aesthetic. The character redefined what a TV villain could be

When Pretty Little Liars premiered in 2010, it arrived on the heels of the vampire craze and the soapy drama of Gossip Girl . While the show had elements of romance and high school politics, its beating heart was horror. At the center of this horror was Alison DiLaurentis, the queen bee who knew everyone’s secrets, and the mystery of her disappearance.

Also known as CeCe Drake , she took over the game while Mona was in Radley Sanitarium. Charlotte’s reveals were some of the most shocking, as she was eventually unmasked as Alison's cousin and adoptive sister.