The late 1970s and 1980s were a defining period for Rajinikanth, as he established himself as a leading man in Tamil cinema. His collaborations with directors like P. Madhavan, M. S. Viswanathan, and S. P. Rajkumar resulted in blockbuster hits like "Chandramukhi" (1977), "Uneri Poikkal" (1985), and "Padayappa" (1989). His on-screen presence, characterized by a unique blend of humor, style, and machismo, resonated with Tamil audiences, who affectionately dubbed him "Thalaivar" (respected leader).