Brigid Hendricks is an occasional background character.
She is first identifiable as a sorority member of Theta Sigma (ΘΣ) in "Spring Break-Up" when Stan searches for Jessica.
She is a member of the jury in "The People vs. Martin Sugar" and appears at Big Bird in "The Unbrave One" when everyone starts saying "Maybe baby."
Brigid is a contestant from Kentucky at the National Spelling Bee held at the Smithsonian in "Spelling Bee My Baby" and is seen in the Pearl Bailey High School cafeteria in "Steve and Snot's Test-Tubular Adventure", "The Witches of Langley" and in the hall in "Scents and Sensei-bility".
She is a smoker at the party that Snot tries to flirt with when Steve and his friends throw for the uncool kids in "The Unincludeds". She can be seen in the talent show tryouts and audience in "The Talented Mr. Dingleberry".
A modified version of her character with black rimmed glasses appears in "Persona Assistant" and with blue frames in "Top of the Steve". She is a student at Groff Community College in "Funnyish Games", can be seen in the audience at Steve's play in "Tapped Out" and is in church during the funeral in "Men II Boyz".