Of course, even more impressive is that the praises of Rambo were sung by none other than David Morrell, the author of the original First Blood novel, on which the whole franchise is based.

Based on David Morrell's novel 'First Blood,' Sylvester Stallone debuted the iconic character John Rambo in 1982 1982's First Blood helped make Sylvester Stallone and John Rambo household names.

Adapted from author David Morrell’s novel of the same name, First Blood was a 1982 vigilante action movie starring Sylvester Stallone as the PTSD-afflicted Vietnam veteran John Rambo.