The hero of the novel "The Prisoner of Zenda" is ______?

The hero of the novel "The Prisoner of Zenda" is ______?

Explanation

Rudolf Rassendyl is the protagonist of "The Prisoner of Zenda", an Englishman who impersonates King Rudolf V to save the throne.

Black Michael is the antagonist (villain).

Rudolph Clarksville is a distractor (not in the novel).