I asked Nintendo for a replacement microphone clip so I can play Odama. They insisted that it was a third-party game and they don't have replacements for third-party accessories.
I asked Nintendo for an official case and insert for Wii Sports, and after giving my delivery details, I was told that it would be with me in a few weeks. That was last summer. Now I'm tempted to buy the cheapest Wii game I can find, just for a donor case.
I asked Nintendo for a replacement WiiSpeak download code and offered to give any information about the hardware (serial no., etc.) to prove I bought it. When asked for a till receipt, I told the rep that it's probably in the same place as the download ticket WHICH I CANNOT FIND. I eventually downloaded the WiiSpeak Channel using NUSD.