WMG / The Black Brick Road of O.Z.

Toothy is Conrad Mori!

We know Koma is somehow involved in whatever is going on with Dolly, and the Seven Deaths have something to do with the witches. Plus the bandit people see black animals as angels of death, an association they could have gotten from the Mori taking the forms of animals, and Toothy appears to shapeshift in several situations. Finally, in Xamag's old notes on the deaths it mentions that Conrad likes to take the shape of a cat...