The Doctor

Jim sat up and blinked. He had heard a strange noise- like a machine, or something, but he had never before heard a machine that sounded like... that. Suddenly, the room came into focus, and there was- there was a man. A man with a blue box... how the hell did he get that in Jim and Koren's room?

The boy, who couldn't have been older than eight, glared daggers at the man, but his voice was only a whisper so as to not awaken his still-sleeping sister.

"Who are you?"