Perpugilliam Brown, Peri for short, traveled with the 5th and 6th Doctor's, and was portrayed by actress Nicola Bryant. Peri was a beautiful young american botanist who was headstrong and sarcastic, and easily scared by many of the horrors she encountered






Ace, whose real name was Dorothy, was an often rebelious, dangerous and reckless teenager with a penchant for homemade explosives. Ace detested her own mother, and found the Doctor to be one of the few people she trusted. Unfortunately, she often felt that trust was betrayed when the Doctor used Ace as "pawns" in one of his elaborate ploys.








One of the 4th Doctor's most popular companions was K9, his robot dog. K9 was armed with a blaster which retracted in and out of this "nose".