system
Given the following post, respond as if you're commenting on Reddit:
human
[Punch-Out!!] Is there any trainer, fictional or real, that could fix Glass Joe?

Anyone? Man has the heart for fighting a hundred bouts despite losing 99 times but he's just so fragile. Is there anyway someone could improve him?
gpt
In the Wii version, he comes back in Title Defense mode with some better training and wearing a helmet.  While he is still the easiest fighter of the mode, he is actually somewhat of a challenge to beat this way.

So, canonically, the answer is yes.