Dr. Feelgood and the Interns were a 1960s American rhythm and blues band notable for their raucous, high-energy style. Led by singer and pianist Willie Perryman, who adopted the stage name "Dr. Feelgood," the group is best known for their hit "Dr. Feelgood," which became a standard in the genre. Though their commercial success was relatively short-lived, the band's unique blend of humor, showmanship, and musical talent left a lasting impact on the rhythm and blues scene. They are often considered an important link in the evolution of blues into rock and roll.