The TARDIS Crew   (in order of companionship)

TARDIS

Adam Mitchell

K-9 

Martha Jones

The Doctor

Captain Jack Harkness

Mickey Smith

Astrid Peth

 Rose Tyler

Sarah Jane Smith

Donna Noble

 

Monsters

SERIES FOUR:

Adipose

Pyroviles

Ood

Sontarans

Clone Creature

 

Hath

Vespiform

(more S4 monsters soon)