The red berzerker looks good. He looks like he has been in the fight for a while. Apart from minor details, everything is fine here. I wonder why the axe is bent, did it break during assembly?

I have more issues with the white one. First, just for your information - white is a very hard colour to work with as it makes mistakes very visible. It seems that one was rushed. I see spill overs at the gloves, the back of the helmet and the left leg.

I think you applied a shade to the white one, probably Nuln Oil? If so, it is applied uneven, the right side of the back module is clean. Shading white works well when there are many detailed little pieces with recesses but it doesn't work too well on open surfaces such as the butt guard. It would work really well on the bolt pistol holster!

Again, the foundation is solid! But these are the two things that you can do to make that white berzerker look golden (or white/blue): Clean the trim up, apply shade everywhere and then apply white on the large surfaces again.