Rigging an elephant

Hello, I made a little pluche elephant model and I’m now trying to rig it. The only problem is that the right half of my armature acts totally different than the left half. I used automatic weights. The left half works quite well, but when I try to rotate the right side, it screws up the whole model. Just join the objects (ctrl+J) and apply automatic weights to the model and you’ll see:


newoi_rigging.blend (1.02 MB)