He is a yellow dill-pickle slice with arms and legs and one of the only survivors of Inafu Village besides Beauty. The Narrator claims he was written off the show (which for the most part is true), but Pickles makes short cameos through out the show; however, in the manga, he was supposedly eaten by a dog after the first chapter.
During the Hair Kingdom arc of the series, it turns out Pickles was left behind so he could spy on Bo-bobo's older brother, Bibibi-bi Bi-bibi. He did so by disguising himself as Bi-bibi's daughter, Vita. But while everyone was happy for his return, Don Patch ends up killing him.