Babysitting: Sirius Black Style

ONESHOT 'Say it. Pad-foot. It's not difficult.' 'Moony,' Harry giggled. 'What? Are you kidding me? You'll say Moony but you wont say Padfoot' 'Moony' 'Listen Prongslet, I'm your Godfather which means I have to buy you stuff, it's the way it works! The least you could do for me is say Padfoot.' 'Moony.' 'James! Your child is broken and needs to sort out his priorities!