Jack ran into the room after them. It was easy to get in. He just snuck in through the side and appeared as if by magic. He loved doing this. Scaring the heck out of people by just appearing them vanishing. It was oddly fun for him. 

"Hi! I'm the Streak. Fastest man alive or I will be one day. Coolest guy in the world too. Get use to it. " He said quickly looking at the group.