In Earthworm Jim's beginning adventures, he starts in the junkyard with rabbid dogs and earthworm-eating crows. Chuck owns this place. There is also a sewers below the surface.
Just watch out for creatures in this junkyard:
Fifi the Killer Poodle
Crows
Robo-Trash
Mouser
Junkyard Piranha (Piranha Plant that lives in tires instead of Pipes)
When you get in the Junk City Sewers:
Fifi the Killer Poodle
Super Robo-Trash (or V.2)
Gloomba
Para-Gloomba
Putrid Piranha