Rare Teeter-Tauter

Bio:Who do you trust? The devil? Or the angel? That's what these little guys are. One causes trouble and the other don't causes trouble. Rare Teeter-Tauter don't like each other because...well the devil and the angel. When one is missing the other would look for them. And realize. Without him i would be nothing. So they do actually care for each other. Or do they?