Ariel Hirsch

Ariel Caskey Hirsch (born June 18, 1985) is the twin sister of Alex Hirsch and the inspiration for Mabel Pines.

Role in Gravity Falls
She guest-starred in the episode "Boyz Crazy" as one of Pacifica's friends: the one with fuchsia-colored hair.

Trivia

 * Ariel Hirsch has an inactive account on the Gravity Falls Wiki by the username of "Arielismabel."
 * She and her brother were raised in Piedmont, California, which is also where Mabel and Dipper Pines live.
 * She and her brother, like Mabel and Dipper Pines, have the same middle names as their parents.
 * As a kid, Ariel wanted a pig as a pet, so Alex gave Mabel a pig (Waddles).
 * The concept of Gravity Falls is based on her and her brother's summers when they we're kids.
 * As a child, she was obsessed with NSYNC's Lance Bass, which is why Alex Hirsch asked him to voice several of the members of Sev'ral Timez.
 * The cryptogram seen at the end of "Boyz Crazy" mentions her. It reads "HAPPY NOW, ARIEL?" In response to this, Ariel made a post on Tumblr stating that she was.