Susan Foreman (Carol Ann Ford) 1963-1964
“Susan” was the assumed name of a Gallifreyan who was the original companion of the First Doctor, her grandfather.
A descendant of Rassilon, Susan traveled with the Doctor and reunited with him in their fifth and eighth incarnations. At different times in her life she was known as “Susan Foreman”, “Susan English” and “Susan Campbell”, but she was usually called simply “Susan”. According to some sources, her birth name was Larn or Arkytior.