I can tell you're probably less concerned with efficiency and are more focused on looks and personal driving and stuff. That's fine, and you should totally build things you like. Just be aware that most of the showcases and the advice you'll hear is more geared to efficiency and stuff than maybe what your tastes seem to be. The problem with robots like this is that since it's so tailored to your tastes it's basically impossible to comment on. However, if you want to build stuff for tournaments, our advice is much more helpful and easier for us to give. That's what I'm going to give here.
To be honest, control reaaaaally isn't that big of a deal when it's AIed (which is how we do tournaments here), because control doesn't win fights in this game - it's damage. If you personally drive your robot then yeah its a lot easier to beat the AI because they're dumb as rocks. The problem is that the standard here is to design your robots with the intention that the AI can be able to drive them. The reason we do this is because AIing robots and fighting our bots that way is the only method we can really compete with since RA2 online is total garbage. As a result certain robot features that would be practical for humans (weapons in the back, designs tailors around specific driving strategies) are basically moot for an AI robot since they don't know how to use them well.
Your robot is fine in this regard, the wedge in the back doesn't hurt anything and doesn't use that much weight. But if you had like a whole hammer system in the back I'd say that you would want to focus your weapons in one direction for efficiency.
If your goal is to make robots competitively for tournaments and to beat the AI and such you'll find that your robot is severely underweaponed. Each of those teeth is only 10 kg and 80 kg on a 800 kg HW is very low in this game. Many of my DSL bots had half or a bit less of the entire robot weight as weapons (https://gametechmods.com/uploads/images/7707DEATHEXCAVATERRR.png)
Good job building to the weight limit. There's really not a reason to be under ~800kg on a HW. If you have weight just add armor or whatever, a robot with 30kg of armor is better than an identical one with 20kg of armor. Your batteries are fine too. DSL really isn't the most balanced thing ever and the basic rule of thumb is an ant battery per spin motor plus maybe 1 or 2. Unfortunately all the other batteries are kind of junk in DSL.
By the way just a little tip for the quirks of RA2 is that horizontal weight balance is basically locked at whatever it was when you first put the wheels on. It's weird I know. If I remember right I also don't think that batteries actually affect weight distribution in RA2 but I could be wrong.
I highly recommend checking out showcases and stuff to get a feel for this. Since you probably build more for looks and personal driving and stuff right now, you might want to check out the IRL-centered DSL showcases. I think DSL is one of the better mods in RA2 for building purely for looks. The others are more geared to efficiency (especially ironforge, which is very balanced).
look forward to see what you come up with next. as I said, all this advice is geared to building efficiently. If you don't want to do stuff I said, no problem. Build what you find enjoyable.