Polacky, the Plunderer

The pirate captain whose diary Peter finds aboard the wrecked Blunderoo.

First named in The Gnome King of Oz, ch. 6

“I, Polacky, the Plunderer,” said the thin, angular writing, “did this day capture the Island of Ashangabad, taking from the islanders ten chests of gold, three bags of silver, the crown and jewels of state, together with the magic casket of Soob, the Sorcerer.