Chuck Norris meme. NIS America's localization team decided to go pop-culture shopping for the names of the 101 monsters found in Puchi Puchi Virus. Thus, we have "Narucrow" and his rival "Sasukerrot."
Spencer at Siliconera identified some more adorable parody names in his playtime, including "Cattie Fisher" (who "was a princess in a galaxy far, far away. Now lives on raw fish") and the mind-bendingly puntastic "Bull Loosely." You unlock character cards for these things after "curing them" with successfully completed puzzles.
Even if they're silly (in fact, especially because they're silly, we appreciate overt outside references like these.