Child of the Tardis by She Who Cannot Be Turned Stale Result (Last seen: )
One day a four year old Harry Potter happened to stumble upon an old police phonebox whilst running from Dudley. And on that day, he happened to bond with the Tardis, who offered to adopt him and he agreed. When she adopted him, knowing Harry's fear of adults, she hid him away from the Doctor, who never even knew what had happened. Until the day he couldn't hide anymore.