Banjo's head is mounted on the wall in the tavern in Conker's Bad Fur Day.
EDIT: Not really creepy, but Cooper from Grabbed by the Ghoulies is also puking in the toilets.
EDIT EDIT: If you flip around the cover of Ratchet and Clank All 4 One, you get this.
http://bulk.destructoid.com/ul/213152-alt1.jpg