He is Nintendo's personal backstory.
You weren't too far off
For the record: I am am not a woman, not gay, and not metrosexual. But I guess it was implied.
So not true
Most people voting for him have some lingering sense of need of completion which is totally unnecessary.
Not too many characters can boast a large anti-fanbase.
Popularity poles are not always accurate. There are probably more haters of Waluigi then fans.