H'mbrackle
From Tardis Wiki, the free Doctor Who reference
H'mbrackle was an officer of the Z'nai. He was the last of his race. He knew of the Doctor. He was the Emperor of the Z'nai. On his escape from the Doctor's trophy room, he killed Jessica Douglas and Joshua Douglas in the 1900s. He was a catalyst for the virus that killed the Z'nai. (AUDIO: The Catalyst)