Aldan (A Genius for War)
From Tardis Wiki, the free Doctor Who reference
Aldan was a clone Kaled soldier that the Doctor during a degeneration in his seventh incarnation and Veklin. She was a clone created to guard Davros. She was activated by the Daleks to stop Davros' escape. However, upon Davros' return she was under his control and helped in his experiment, taking genetic material from the Doctor. (AUDIO: A Genius for War)