He earned the prefix of 'Rambo' because of his style of realistic close combat scenes, which resembled Sylvester Stallone's style in the movie, Rambo.
Rambo | John Rambo | Rambo Amadeus | Rambo: First Blood Part II | Rambo (film series) | Rajkumar College, Rajkot | Cat Rambo | Raghavendra Rajkumar | Rambo (2008 film) | Rajkumar Santoshi | Rajkumar Hirani | Puneeth Rajkumar | Peter Gunnarsson Rambo |