Crossword clues for the word: GUMMO The word GUMMO has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for GUMMO Showing 1 to 8 of 8 results Clue(s) 1997 Harmony Korine film Groucho and Harpo's brother Marx brother born Milton Marx of lesser repute Milton Marx's vaudeville name Only brother not in any Marx Brothers films Stage name of New York City-born entertainer and agent Milton Marx The fifth Marx brother