[IMJ]

Man-At-Arms (He-Man) | Wee-Quay (Kenner Star Wars) | Batman (Looks like a gift shop PVC) | ??? | Robin (The New Batman Adventures) | Cable (Marvel X-Force)

Mutagen Man (vintage Playmates TMNT) | ??? | ??? | Harry Potter

You asked if we know more about them - I can tell you with no negative intent or attitude that they are all fairly unremarkable, all lack accessories (from your picture), and none are "market movers". Again, no negative intent with that commentary but rather just some market info.