These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Crowning Moment of Awesome: Several, but the most memorable goes to an unnamed guard during the battle with Cetus, who, after being eaten and then thrown up by a sea-monster, promptly picks up his sword and charges right back into the fray with a roar.
Designated Hero: Sinbad for pretty much the entire movie. He starts it off trying to rob a ship, decides to leave his friend to die (albeit under the belief that said friend's father wouldn't let them carry out the sentence), and has to be talked into taking any responsibility. To be fair, he grows into the role in the latter half of the movie, up to and including going back to face his own execution without any expectation of a reprieve, so it may be more of a case of Character Development at work.