- You may be looking for Chris Thompson, the designer or the graphic designer.
File:Doctor Who Impressions - Doctor Who The Fan Show
File:Amazing Audio Adventures - Doctor Who The Fan Show
Thomson does an impression of the Seventh Doctor, opposite Pete Walsh's Ninth Doctor, in an intro to The Fan Show.
Chris Walker-Thomson — also credited as Christopher Thomson — voiced Zreeg / Councillor / UNIT Lieutenant in the Big Finish audio story Doctor Who and the Star Beast, and the Second Doctor in the Doctor Who: Lockdown! webcast Doctors Assemble!.
He also played Captain Derek Latimer in "UNIT Employment Training Series: Health and Safety", a one-time sketch in The Fan Show, and showcased his Doctor impersonations in a further episode of The Fan Show entitled Amazing Audio Adventures.
He is best known as a voice impersonator for the Second Doctor unprofessionally. A Facebook campaign for "Christopher Thomson as the Second Doctor for Big Finish" was launched, but shut down as of 2016.