Girls Minnie Mouse Onesie. Tee hee! This most magical Minnie Mouse onesie is perfect for any Disney fanatic! In Minnie's iconic red and white polka dots, this fuzzy all-in-one features a lined hood with Minnie's iconic ears and bow! Complete with Minnie's signature embroidered on the chest and an adorable zipper pull, this onesie is sure to whisk your little mouse away to magical lands!