Blackheart Beagle is a fictional character in the Scrooge McDuck universe.

Blackheart Beagle and Scrooge McDuck first encountered each other when Blackheart acts as river pirate on the Mississippi in 1880. He is assisted by three sons, who would later become the fathers of generation of Beagle Boys who often appear in Scrooge McDuck stories.

Blackheart has the convict number 186-802. He is married to Grandma Beagle, but she is never shown. The last story he appears in is set in 1952.

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