These are the greatest Doctor Who companions of the sci-fi series history, as voted on by a rabid group of Who fans. Add your choices to the list of the best Doctor companions of all time by clicking 'contribute'. Community lists on Ranker update when a new list is added or changed to bring you a statistically accurate wisdom of crowds representation of the best companions of the Doctor in history. Don't just argue from the sidelines ... add your vote!
http://www.ranker.com/crowdranked-list/the-greatest-doctor-who-companions-of-all-time,
Donna Noble
Jack Harkness
K-9
Martha Jones
Rose Tyler
Sarah Jane Smith
River Song
Rory Williams
Amelia Pond
Oswin Oswald