Hop Pyleen Brother 1

From Tardis Wiki, the free Doctor Who reference

Hop Pyleen, along with his brother, attended Earth Death aboard Platform One in the year 5,000,000,000. He wore black, distinguished from his brother who wore white. (TV: The End of the World)

Behind the scenes

Famed for inventing hyposlip travel, the brothers Hop Pyleen were two of the guests at the party for the End of the World.Brother 1's profile. [Doctor Who: Battles in Time (Exterminator) [src]]

The two brothers Hop Pyleen were each represented by a Battles in Time trading card.