And then there's CT's fantastic list of planet names for JJ2...

Jack, Firefox, and Headcheese are currently located on the planet Anville, a heavily colonized planet, with tall skyscrapers and factories galore. Understandably it has a dark orange sky, and the waters around are a murky green-brown. If you need specifics, they can be found somewhere in Tox City, the industrial center of Anville, wiping out a revolt. They'll probably have just finished by the time Xion gets there...