>>51736979This. The true counterpart to Electabuzz and Magmar would have been the beta yeti Pokemon, who was separate from but possibly related to Jynx. Buu was likely not even it's final name, just a placeholder to denote the naming convention of the three.
When they cut "Buu" for whatever reason, some traits passed on to Jynx, like learning Ice Punch, but she was probably not intended to be a trio with the other two anymore.