Colin really didn't notice the door opening, but the loud singing caught his attention. He yelped when whoever was singing shouted, looking around wildly and for something to use as a weapon in case this guy was crazy or something. Which since it was a hardware store, shouldn't have been a problem.
He grabbed a piece of pipe and cautiously headed towards the guy singing. He knew that song. It was from some Disney movie. Yeah. The Lion King. That thought only made the situation weirder.