Crossword clues for the word: SEADEVIL The word SEADEVIL has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SEADEVIL Showing 1 to 6 of 6 results Clue(s) Big ray Huge ray Manta ____ Manta ray, by another name Octopus. Underwater menace?