Do you have anything in your inventory that may be scary? And, have you been shopping?
Where can I get money and where can I shop?
You can take the Credits from below the Parking Meter on Cape Coocoo. Bruce has set up shop at the Settlement on New Callisto.
I need a better hint about this.
I'm not sure there is one. Except if you're a classic adventure game player. This item is kinda an easter egg. When you click on it in your inventory, Henry mentions he thinks it's creepy and is scared it might have plans for world domination.
I need a spoiler about the scary thing.
You will need the Tentacle to scare Spflornk of Pluto. Use the Tentacle on him.