owl-man
A Phanfasm servant with an owl's head who leads Guph to the First and Foremost.
First named in The Emerald City of Oz, ch. 11
Suddenly there appeared before the Nome a man with the head of an owl. His body was hairy like that of an ape, and his only clothing was a scarlet scarf twisted around his waist.
As the books describe them
a man with the head of an owl. His body was hairy like that of an ape, and his only clothing was a scarlet scarf twisted around his waist. The Emerald City of Oz, ch. 11