The crossword solution for the term 'Seller of Squishees on 'The Simpsons'' is APU. Apu Nahasapeemapetilon is a recurring character on the long-running animated television series The Simpsons. He is an Indian immigrant proprietor who runs the Kwik-E-Mart, a popular convenience store in Springfield, the show's fictional setting. Apu is known for his catchphrase, 'Thank you, come again, ' and his musical talents. He is also the seller of Squishees, a slushy drink that is a popular item at the Kwik-E-Mart.