I was wondering whether there is a Wikipedia page holding a complete list of Italian proper names, and their diminutives (for example, Francesco: Checco, Giuliano: Nano, etc.). Not sure if names can have more than one diminutive, or whether these diminutives are also subject to regional variation.
I'm also not sure whether regional variants can be properly called diminutives, or whether they are just variations in themselves, in which case I would imagine that there could be quite a lot of them, although I wouldn't count it. So, if a page existed with all these peculiarities, perhaps even listing the region and city where the diminutive was used, with users perhaps also contributing, I think that could be cool.
As an aside, I realize that there may even be popular diminutive which mothers use, either publicly or privately, and I'm not sure whether these would count as standard in Italian as well or not, just wondering (could be a questioning issue).