Petter Pettigrew thumbed through his potions textbook watching a little doodle he'd animated jumping around on the pages trying to keep up with him. He poked it with his quill and it jumped and glared at him. He shrugged apologetically.
"I'm waiting for someone." he explained to it, as if it could hear him.

I'm now ready to devote myself to this stupid interhouse potions thing. I usually study with Lupin. I'm looking foward to studying with you, or whatever.
-Pettigrew