Quoted By:
Audino is the modern day Farfetch'd in that it's purposefully not good. Except this time it even hogs your mega slot.
Having a doctor pokemon that has some variation of "I don't know" in its name in every language is part of the joke. Kind of like how the other doctor pokemon is "chancy" or "lucky," in how its performance is dependent comes down to its opponent is physically orientated or special.