Polly is Birdie's main OC and persona. She is a female yellow parrot with blue eyes and wears a blue T-shirt, blue wrist and anklebands and a dark blue skirt.

Despite being a parrot Polly has arms and a mammal like tail.

Previous outfits include; A blue coat and black shorts inspired by the popular character Sans from Undertale's outfit and pink eyes and a bib inspired by Chica from FNaF.