Jokanovic became the Hornets ' fourth manager in an astonishing 39 days when he turned up in October .
Skipper Deeney says he expected the Serb to be just another bad joke .
Jokanovic became the Hornets ' fourth manager in an astonishing 39 days when he turned up in October and skipper Deeney says he expected the Serb to be just another bad joke .