Rosa Blasi (born December 19, 1972) is an American actress. She is known for her roles as Luisa Delgado in the Lifetime medical drama series Strong Medicine (2000–2006), and as Barb Thunderman on the Nickelodeon series The Thundermans (2013–2018). Early life On Dec 19, 1972, Blasi was born in Chicago, Illinois.[1] Blasi's parents are Rocco and Joyce Blasi, of Italian, Irish and Hispanic origin.[2] Blasi is classically trained as a mezzo soprano.[3] She also comes from a strong theatre backgro ...