Stonewall Jackson is an American country singer known for his honky-tonk style and distinctive baritone voice. He rose to fame in the 1950s and 1960s, achieving numerous hits on the country music charts, including his signature song, "Waterloo." Jackson is notable for his traditional approach to country music, often featuring narratives of heartbreak and hardship. His influential role in the genre helped to shape the sound of country music in its early days, solidifying his place in music history.