Here're some quick thoughts on the current leading mayoral candidates. I have never played with either one, so these are just raw impressions.
Barky - seemed to open the game with a reasonable degree of looseness and "comfort". Content is limited beyond pursuing mayor; not necessarily a "problem" (and that may be changing in the most recent content). Seems happy to be here. Has excellent doggo.
miranda - pretty similar to Barky as it happens, albeit with a bit more silly (this is meant in a nice way, I like silly). Not pursuing mayor in quite the same personal way and voted for Barky. Hasn't posted since page 5.
I don't have strong feelings either way. If I had to choose one of them I think I'd go with Barky for mayor, just for the sake of more consistent presence in the limited sample so far. Neither one raises immediate alarms. It'd be super if the voters for each one could express what motivated their votes.