Sully's Paraphernalia is to the left of where you land on Main Street.
To open Sully's shop :
To get Sully's key, go left past his shop to the Living Quarters. Jump on the counterweighted lever to raise the step. Climb to the Living Quarters door and jump on the robot crab. You get both the crab and Sully's key.
Go to Sully's door and use the Steam Battery. Arrange the valves to lower the steam pressure from 10 to 5 (a total of -5). The door opens, and you can wake up Sprocket the robot by ringing the bell on the counter. Go left and get the Rubber Mallet from the trash.
in the trash
click use by the sullys place. I havent figured out the combination let. Someone let me know of they have.
you dont .
you have to find the robot crab filled with water (near the door on top of sullys saloon) and use sprocket (in zacks garage next to sullys saloon) to drop it on the hatch and cool it down
its in the museum on mainstreet of steamworks island :)
in front of sullys shop
It's Steamworks Island #14th Island
(The solution is at the related question "How do you beat Steamworks Island")
the crab on steamworks island is next to the living quarters
You go to Steamworks and head to the museum and there is the Deogen
After you get in Sully's shop,just ring the little bell on the left of the robot:)
steamworks island