Marta "Blondie" or "Periya Papa" is a student at Horace Green Prep School and a member of the class that Dewey Finn substitute taught at. She becomes a backup and co-lead singer for the class's band.
History[]
Marta raises her hand when Dewey asks who in the class can sing, and she sings "Tomorrow" by Annie, which Dewey enjoys, leading her to get a spot as a backup singer in the band. Dewey gives her the nickname Blondie when calling on her and assigning roles to the students. She's seen performing during the Battle of the Bands, when the band performs "Teacher's Pet" and she, Tomika, and Alicia provide backing vocals.