Hey, @Terrance_Anglenose1. Glad to see you came here for help, since it's obviously the BEST place to get it!
I totally understand how it can be hard to get past those annoying Automatons. My main advice is to get some help, extra people coming along to fight will definitely increase your chances of taking the win. It can get frustrating at times, but it's definitely worth it for all the great prizes you get.
In regards to your question about better weapons, you can win using anything, but sometimes there's better combinations that you can utilize to your advantage. I really recommend the water-ice combination of weapons or oil-fire combination.
The really bad goat is the last one, yeah. While it does feel like he's OP, there's actually an easy way to stay alive long enough to trash him. Just douse yourself with a bit of water and his weird little rocket specials cause MUCH LESS damage.
I found that the best strategy is to either take down the Matron (yellow goats) or the boss ones down first. Those are the type with the worst damage or synergy capabilities.
I hope this helped, @Terrance_Anglenose1. If you need more, I'll still be here just in case. Welcome to the forums by the way!
If you're looking for a place to get started here, I suggest you take a look at these few topics:
Have fun! I hope this helps!