1) Belgian fictional sleuth 2) Belgian sleuth 3) Belgian-born sleuth 4) Christie character 5) Christie creation 6) Christie detective 7) Christie sleuth 8) Christie sleuth Hercule 9) Death on the Nile detective 10) Death on the Nile sleuth 11) Evil Under the Sun detective 12) Herculean literary character Found on https://www.crosswordclues.com/clue/poirot