The term 'Hammett Hero' refers to the characters created by American author Dashiell Hammett in his detective novels. The two crossword solutions for this term are 'SPADE' (5 letters) and 'SamSpade' (8 letters). SPADE is the surname of the protagonist in Hammett's novel 'The Maltese Falcon', while SamSpade is the full name of the character. Both SPADE and SamSpade are iconic figures in the world of detective fiction.