The Heartbreakers were an American rock band formed in 1976, known for their energetic sound and influential role in the punk rock scene. The band was led by guitarist Mike Campbell and featured iconic frontman Tom Petty, who later gained fame with Tom Petty and the Heartbreakers. Their music combined elements of rock, punk, and new wave, contributing to their unique style. The Heartbreakers released several albums throughout the late 1970s and 1980s, earning a dedicated fan base. They are recognized for their hit songs like "American Girl" and "Breakdown," which showcased their catchy melodies and relatable lyrics. The band's legacy continues to influence musicians today.