Cephalopod

Cephalopods were a type of animal which included octopuses, (TV: Terror of the Autons) squids, (AUDIO: The Wreck of the Titan) and cuttlefish. (PROSE: T. memeticus: A Morphology)

Although Channing claimed that the Nestenes had no individual identity, (TV: Spearhead from Space) the Third Doctor later said that he suspected the Nestenes' basic form was analogous to a cephalopod. (TV: Terror of the Autons)

In what he called the "Vulgar End of Time", the Sixth Doctor complained that "any Tom, Dick or cephalopod" was claiming to be him, "treading" on his reputation. (AUDIO: The One Doctor)

Ianto Jones described his boyfriend Jack Harkness as being sexually attracted to cephalopods on the same level as both men and woman. (PROSE: The House that Jack Built)

The Bailiffs were cephalopods forms who were weak against ammonia. (COMIC: Mr Nobody)

Most cephalopods could change their colour using chromatophores. (PROSE: T. memeticus: A Morphology)