The time traveler who crash-lands on Skaro shortly after regenerating. His TARDIS landing damages the prototype's arm. He identifies the machine as the first Dalek, warns Castavillian about extermination, provides a replacement plunger, and departs before Davros returns.
The Doctor views Davros as the architect of a genocidal threat that will plague the future.
Explore the full interactive character relationship map of Doctor Who Children in Need Special 2023