Henry has need of a scary thing.

Do you have anything in your inventory that may be scary? And, have you been shopping?

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'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.

You will need the Tentacle to scare Spflornk of Pluto. Use the Tentacle on him.