The crossword solutions for the term 'Treasure Island Pirate' are GUNN (4 letters), BONES (5 letters) and LONGJOHNSILVER (14 letters). GUNN is a character from Robert Louis Stevenson's novel 'Treasure Island', which was first published in 1883. He is a pirate who serves as the ship's coxswain. BONES is another character from the novel, who is a pirate and a member of Long John Silver's crew. Long John Silver is the main antagonist of the novel, and is a one-legged pirate who is the leader of the mutiny on the ship.