Star whale

Physical Appearance
The Star Whales where giant Whales that flew around space. They where capable of breathing nothing. But they did feed of meet. They could have City's built on top of them. (DW: The Beast Below)

History
The Star Whales once flew around space in harmony, until one day towards the end on the third milenia, there was only one left, this Space Whale went to Earth and saw that it was in great need. The People of the United Kingdom, built on top of it covering it up and it became known as Starship UK. After the Elevnth Doctor uncovered this the human race found out and it remained on the Starship UK in harmony. (DW: The Beast Below)