sentences:  A masked figure called Bullethead arranges for the anthropomorphic heroes of the title to be distracted while he goes after a mysterious item; he turns out to be Doc Yak, who just wants his old license plate back (after losing it decades ago to the Gumps).In 1913 and 1914, Doc Yak appeared in a series of animated shorts produced by the Selig Polyscope Company.The company further collaborated with the "Tribune" in the production of "The Adventures of Kathlyn".