CLEAN : Dutch clean up heroes turn beach rubbish into art

The video tutorial begins with a personal story about a trip to Costa Rica, where the speaker's son was more interested in bottle caps than shells. This led to the creation of a pirate ship game using found objects, which evolved into a treasure hunting game. The game involves roles such as pirates and heroes, and the speaker humorously refers to a trash can as a treasure chest. The latter part of the transcript contains unrelated and unclear content.

What role do the speaker and their companions take on in their adventures?

What does the speaker mean by 'saving animals' in the context of their adventures?