Sally/Wayne
Sally had been checking to make sure everything was set up properly. Wayne's first part of his present was on the table where, hopefully, the other presents would go. The second part was taped under the table. Sally wanted to wait till after the party to give it to him.
When Wayne hugged her, she squeaked and jumped. Wayne was probably the only person that could sneak up on her. "Hey, buttmunch." Sally smirked and turned around to hug him back. "Happy birthday."