Sarah

"That evil bitch Cheryl Blossom ruined our high school experience! So I'm gonna ruin her reputation!"

- Sarah to her sister. Sarah is the twin sister of Emily and a recurring antagonist in The Riverdale Arc.

In the series, she and her sister, fed up with Cheryl Blossom, repeatedly try to ruin her reputation at Riverdale High School.

She is played by Veronica Merrell.

Biography
Sarah is first seen in her bedroom with her sister as they conspire an elaborate prank to humiliate Cheryl, though Emily is cautious about it since Hulk is currently paid by Cheryl to be her bodyguard. Sarah, however, is sure their prank will work even with him there, so they proceed to break into the school at night and install a boxing glove in Cheryl's locker, which will hit Cheryl in the face when she opens her locker the next day.

Personality
Sarah is more outgoing than her sister, and unlike Emily, will go to extreme lengths to humiliate and defame Cheryl, even going as far as to install a spring-loaded boxing glove in her locker to physically harm Cheryl, much to Emily's shock.

Appearance
Sarah is a beautiful teenage girl with black hair, brown eyes, a cute face, and an athletic figure.

Trivia

 * Sarah is obsessed with social media.
 * She utterly despises Cheryl Blossom, as she often ridiculed her and Emily for being "not as pretty".
 * She likes to pull pranks on people.