The rush to push this to a PEP is unseemly. This has only been two days and I am sure that there will be many people who could be interested but haven't had a chance to look at the thread yet due to other committments.
(Even in this time of Covid-19 lockdowns, some people have work and other committments.)
Choosing good syntax should require more than just enumerating all the options and having a popularity contest. For starters, it would be nice if the options actually had some connection to the thing we are trying to do, rather than just randomly picking characters :-)