Poopdeck Pappy is a fictional character featured in the Popeye "Thimble Theatre" comic strip and animated cartoon spinoffs. Created by E. C. Segar in 1936, the character is Popeye's father, who is between the ages of 85 and 99. Popeye is the spitting image of Poopdeck Pappy, though Pappy has a white beard.

Pappy first appeared in "Thimble Theatre" not long after Popeye acquired Eugene the Jeep in 1936. Popeye decided to use the creature's supernatural knowledge to find his father. An expedition was set up to go to Poopdeck's home on Barnacle Island, which included Toar the caveman and Olive Oyl. The ungrateful father answered Popeye's greeting with, "You look like something the cat dragged in... I don't like relatives." He came to Popeye's home anyway, followed by some mermaids whom he had flirted with.

Poopdeck Pappy made his first animated appearance in the "Popeye the Sailor" short "Goonland" (1938). In this cartoon, it is revealed that Popeye has a long-lost father, not seen since infancy, who is being held captive in the bizarre realm of Goon Island. When he goes to rescue the "ol' goat" in the Goon prison, his father refuses to acknowledge Popeye as his son, but when Popeye himself is captured by the Goons, he eats Popeye's mislaid can of spinach to rescue his only child. In the mêlée that ensues, the filmstrip is broken and the animator must safety pin it back together to finish the cartoon.

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