journey (shounen jump)
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The logo/pseudo-mascot of Shounen Jump. It's half of a pirate's head up to the mustache, and has sometimes been portrayed as a full-bodied pirate with no mouth. A younger spinoff of the pirate named KAIZO-kun serves as the mascot of Jump Festa.
Many jokes have been made about the fact that the pirate looks like a young girl when turned 70 degrees (as in Danbooru post #854325), leading fanartists to adopt the "girl" version as the logo for parody works (such as Danbooru post #1860850). Eventually, Jump itself adopted this version of the logo as the mascot of their "Jump J-Books" novel imprint, naming her "Jamie".