 At the last moment, Erica Flazenby's name was changed from Erica Moody to its present form; the error remained in the press release from the BBC announcing the series debut.Played by David Warner, Dr Joseph Klench is the arch-enemy of Professor Nebulous and KENT whom the Professor describes as "a chap who came to a crossroads in life and took a turning marked evil.He put his foot to the accelerator and he's not stopping".