Jungle hero (6)
I believe the answer is:
tarzan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jungle hero</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tarzan that I've seen before include "Strong and agile man" , "Lord of the Jungle" , "Fictional hero raised by apes" , "Earl of Greystoke" , "John Clayton, Lord Greystoke" .)