These were also sold online through the tikicat website for a time. I heard later it actually started out life as a mis-glaze.
Collector Gallery
Tiki Mug Design
Tiki Cat Handled Ku Mug - Brown
in 7 collections
This is a mug shaped like a full standing Tiki with a black cat arching its back as a handle on back. This color-way in brown was given out to VIPs the opening night of the bar. There is also a version in blue for general sale.