Though he nearly pouted at everyone not calling Sarah 'Nermal,' the idea of an inside joke between brother and sister was rather appealing. He scratched behind her ears. "Nermal." He said, trying out the name again.
"You could call her that too, Nathan, you and Peter." He was offering Nathan a priceless gift, to share the nickname with him, and he was sure that Nathan would appreciate it.
After making the offer, he turned his attention back to Sarah for the moment. "Would you like me to get you a collar, Sarah? You need a bell on it to keep you from sneaking up on people...I was about to win that game!"