|Main aliases:||The Fallen Angel|
|Place of origin:||Earth|
|First seen in:||Fallen Angel|
|Other appearances:||PROSE: The Shadow of Weng-Chiang|
- Not to be confused with fallen angels in general.
In 1933, Seyton saved the Second Doctor from androids which were pursuing him. After learning that the Doctor's friends Jamie and Zoe were trapped in a house with other killer androids, Seyton and his friend Paul Kettering helped the Doctor rescue them. Seyton's memories of these events were erased by the Time Lords. (PROSE: Fallen Angel)
In August 1937, Lucas Seyton stole an original draft of William Shakespeare's Romeo and Juliet from the Palace Theatrical Museum in London, where he discovered another robbery taking place. He tracked the thieves to a club in Shanghai, owned by his old friend Mr Woo, and told him what he knew of them. (PROSE: The Shadow of Weng-Chiang)