| Not quite an adventure.
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Gertrude is a minor character in the series, The Marvelous Misadventures of Flapjack. She is a young woman who previously served as K'nuckles' date to a "Navy Kissing Party", during his younger years.
After realizing that K'nuckles was truly hideous, she ditched him at the party and left on a life boat. This caused K'nuckles a tremendous deal of humiliation, once everyone saw that he had no one to kiss. This was then furthered when Gertrude appeared near a window and yelled that he was very ugly, pulling on the sail of her boat to leave. Before she had the chance to sail away, she and the boat exploded.
- She is later last seen in "Catch Me If You Candy", despite her sudden death.