Cookie & His Cupcakes was a prominent swamp pop band from Louisiana, active during the late 1950s and 1960s. Led by vocalist Huey "Cookie" Thierry, the band was best known for their regional hit "Mathilda", which significantly contributed to the development of the swamp pop genre. Their music was characterized by its blend of rhythm and blues, country and western, and Cajun music, resulting in a unique, soulful sound. Despite their limited national success, Cookie & His Cupcakes hold a significant place in the history of Louisiana music.