A Badass Family, even if they're not related. This will turn up a lot when discussing the Superhero Team, The Squad, and the Five-Man Band. And a fair number of Sci-fi shows set aboard a ship, since normally, even the baddest hero can't run a whole Cool Ship on his own. This isn't a requirement though. Some general conventions that apply to almost all Badass Crews are: Also see Misfit Mobilization Moment, which is often an origin for the Badass Crew.