We've known for a while that Shannon Purser, A.K.A. "Stranger Things'" Barbara Holland, was going to be making her debut in the third episode of The CW's "Archie"-inspired teen drama "Riverdale." Now, the actor's many fans have their first glimpse of her "Riverdale" character, Ethel Muggs — and its fair to say she is sporting a very different look to poor old Barb.

RELATED: Cheryl Blossom Burns the Evidence in New Riverdale Photos

Riverdale -- Chapter Three: Body Double-- Image Number: RVD109a_0270.jpg -- Pictured: Shannon Purser as Ethel Muggs -- Photo: Diyah Pera/The CW -- © 2017 The CW Network. All Rights Reserved

Gone are the glasses and the frilly plaid shirt in favour of a simple white blouse and a cute red cardigan. Apparently also gone is big Ethel's most prominent character trait from the comics: her desire to date "Jughead" Jones.

RELATED: "Riverdale" Reveals First Original Josie the Pussycats Song

According to the synopsis of her debut episode, Ethel will team-up with Veronica (Camila Mendes) to "work on exposing some of Riverdale High’s football players after rumors of a 'shame book' begin to circulate."

Starring K.J. Apa as Archie Andrews, “Riverdale” airs Thursdays at 9 pm on The CW. The series also stars Cole Sprouse as Jughead Jones, Camila Mendes as Veronica Lodge, Lili Reinhart as Betty Cooper, Ross Butler as Reggie Mantle and “Breakfast Club” alum Molly Ringwald as Archie’s mother Mary.