"Ghost of Dr. Nathaniel Catwell"@en . . . . . "Human/ghost"@en . "The Ghost of Dr. Nathaniel Catwell was the disguise of Dr. Kreitzer."@en . . . "The Ghost of Dr. Nathaniel Catwell was the disguise of Dr. Kreitzer."@en . "Male"@en . . . . . . . "Black"@en . . "Scooby in the Booby Hatch!"@en . . . . . "To keep rich patients longer"@en . . . "White"@en . . . .