The City of Trash

The City of Trash is a location in The Hero Generation series.

History
The City of Trash is an underground city made of trash that Joe discovered in the episode "City of Trash.' The buildings are made of cardboard, the streets are made of plastic, and the streetlights are made of assorted cans. Its inhabitants consist of Professor Krantz's mutant creations, such as the Cardboard Mutants.

In "Crop Circles," it is revealed that Nuke is also an inhabitant of The City of Trash, and is also a creation of Professor Krantz. It is also discovered that the mutant snowmen Joe had to deal with in the episode The Arctic Circle was also the works of Professor Krantz, but it is unknown if they are inhabitants of The City of Trash.

Trivia

 * The City of Trash may have been inspired by the underground city in Ben 10: Omniverse.
 * The entire city is composed mainly of trash.
 * The street lights are the only main source of light.