The crossword solution for the term TARZAN EXTRA is APE, which is a three-letter word. Tarzan Extra is a comic book series created by Gold Key Comics in 1966. It follows the adventures of Tarzan, a fictional character created by Edgar Rice Burroughs. Tarzan is an orphaned human raised by apes in the African jungle and is known for his strength and agility. The comic book series was popular in the 1960s and 1970s and featured stories about Tarzan's adventures and his interactions with other characters.