"Elk" Riot Supression Biped by NickD. He doesn't allow downloads.
Tigard Drone by Lego Junkie.
Judging from those rafts, this may be a little big for MFZ.
Looks like it should be the right size for MFZ.
0-725z by legofoolio77.
Looks neat but very fiddly. Might not stand up to regular gameplay.
Here are the three humanoid designs.
MS-10 by Hober Mallow.