Almost complete! Im just making some buttons and done!!!

Make both these objects solid, in one object make an empty place and in other object make a circle in this way that the circle fits in empty place

https://s.castle.xyz/LJGzNs6v6pWD

I will show you

Arm now moves and the head doesn't sticks out (if you catch it) but still I need help with the body because it rotates weirdly and the neck exposes. Any tips?