Fro The Dog and Nano: Mar's younger brother and Nano is a chao that change transform into objects for Fro to use.
Metal F.R.O. Again... with a little N.A.N.O. tankformer doodle.
Maria The Dog: A past life of Mar that lived around the 30s and later becomes S.H.A.D.E.
Gem The Lynx: In her new redesign and new animal. Able to teleport anywhere she wants.
Also
S.H.A.D.E.'s custom G129m Widowmaker: A bolt-action blade sniper rifle.

I'll make refs and bios for these characters later. Also all the characters aren't completely finished.