Hagar Sammy, also known as Sammy Hagar, is an American rock vocalist, guitarist, and songwriter. He gained fame in the 1970s as the lead singer of the band Montrose before launching a successful solo career. Hagar is also well known for his time as the frontman of the legendary rock band Van Halen during the mid-1980s to mid-1990s. Beyond music, he's an entrepreneur involved in the food and spirits industry. His energetic stage presence and distinctive voice have made him a lasting figure in rock history.