Jynx had more in common with Mr. Mime than Magmar or Electabuzz; they were both humanoid Psychic-types that could only be obtained through an in-game trade in Red/Blue.
Then explain why Mr. Mime is actually Sudowoodo's counterpart, then. Admittedly, Mr. Mime and Sudowoodo being counterparts didn't become quite as clear until they both got pre-evolutions in the fourth generation... --- I am a die hard Pokemon fan to the most, including the traditional hate of Yu-Gi-Oh.