Professor - Timelord known as the Master in the main DW universe. Currently an android. Scream of the Shalka situation. Based on Shalka!Master Derek Jacobi.

Valeyard - Timelord known as the Doctor in the main DW universe. Professor's partner. Wanted by the [information deleted]. Based on Shalka!Doctor Richard E. Grant.

Khayla - Professor's child. So much to say about them, I don't know how to begin. Based on Bailey Bass's Claudia (Khayla I). from @cantfreezeasoul hc. Based on Stephanie Hsu (Khayla V).

Terry Willson - agent of the Shadow Proclamation. Often works together with Khayla, but not necessarily likes it. Old and tired. Based on the character Gene Hunt from Life in Mars (Philip Glenister).