So now this leaves outstanding questions on Arkoosh (who I read is preparing to imminently announce a run for Senate, though I can't remember where I read that--I'll try to find a source if I can), Boyle, Houlahan, Wild, Lamb (who has expressed interest in running), Kenney, maybe Sestak, maybe Innamorato, maybe Fiedler, maybe Gym, maybe Lee, I mean that's a crazy amount of candidates to have for just one seat. You'd think that at least a couple of the smaller fish among those names would either run for LG or just sit this one out altogether, but it does seem like a lot of folks are looking at this like their only shot to elevate for quite some time.
Pardon my ignorance, but who is Gym? I've tried googling around but can't find anything. Thought this might be a nickname for Jim Kenney (in the way that people call Jim Jordan "Gym" - though that's more due to the wrestling issues) but you listed Kenney separately so feels like that's not it.
There is a Philly Councilmember called Helen Gym. It's a Korean name.
https://en.wikipedia.org/wiki/Helen_Gym