Xenon

Xenon was the native planet of the metamorphic Whifferdills, including the Sixth Doctor's companion Frobisher. It was located in the Mutter's Spiral (COMIC: Voyager) and had an atmosphere similar to Earth. The Fourth Doctor's companion Milena was the daughter of Xenon's ruler, an old friend of the Doctor's. (PROSE: Milena)
== Behind the scenes ==
* There is also a planet called Xenon in the computer game series "".
* Milena is called a Zenonian, with a 'Z' instead of an 'X'. Although it is never shown, as a native of the planet it's possible she is also a Whifferdill.
Category:Planets
Category:Mutter's Spiral planets
Category:Homes of the Doctor's companions