Real Name: Thatch
Occupation: Villain
Marital Status: Single
Base of Operations: Gotham City
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Hair: N/A
First Appearance: Batman #4 (Winter, 1941)
Created By: Bill Finger

Members of a yacht club are hijacked at sea by a pirate ship. The passengers manage to send a message about the attack, but only Batman takes it seriously. The Dynamic Duo board the yacht and battle the pirate gang, enlisting the aid of some of the passengers. After the pirates are defeated, the leader of the gang, who was disguised as Blackbeard, is revealed to be Thatch, a notorious gangster. He had intended to hold the passengers for ransom.