Johnny O'Keefe was an influential Australian rock and roll singer and songwriter, born on January 19, 1935, in Sydney, Australia. He is often referred to as the "Wild One" and is known for his energetic performances and distinctive voice. O'Keefe played a significant role in popularizing rock music in Australia during the 1950s and 1960s, paving the way for future artists. Throughout his career, O'Keefe released numerous hit songs, including Shout and She's My Baby. He was a prominent figure on Australian television, appearing on shows like Bandstand. Despite facing personal challenges, including struggles with mental health, O'Keefe's legacy continues to influence musicians in Australia and beyond.