Which is the most ingenious invert?

Which is the most ingenious invert? Mantis shrimp or Octopus?We've been pondering this question amongst the team and can't decide which one od these incredible marine creatures is more awesome. One has amazing camouflage, incredible intelligence/problem solving skills and manoeuvrability - the other has appendages that move faster than a speeding bullet, incredible eyesight and a body so tough scientists are studying it to make more effective body armour.