This is Ghost the organoid. When he fuses with a zoid he can control how much the zoid weighs.He can make it so light it will be blown over by a gentle breeze to being so heavy that it creats craters in the earth from just walking. The down side to this is when the zoid is light as air it becomes very fragile but when its heavy it can still move the same way that it could when it was its normal weight.

He blongs to Ren the zoid "vet". He found him fused to an old core in a parts shop.... Ren then broke him free again from the "black box" surrounding him.

He kind of has an bad ass additude about him and he rarely ever wants to fuse to another zoid because he was trapped to the core for so long.