Mischievious Gnome
From Salem Wiki
Mischievious Gnomes are found in Rotten Logs. For more information on how to identify whether a Mischievious Gnome is present inside the log, see Rotten Log.
Upon splitting a Rotten Log containing a Mischievious Gnome, you will be forced to drop you entire inventory excluding Pockets and Backpacks. Afterwards it will disappear from your inventory.