Pet

A pet was a creature kept by a sentient being for companionship.

At a point where most of the planet Mondas had not been converted into Cybermen, Cybermats were kept as pets by the native Mondasians. (AUDIO: Spare Parts)

Helen A had a pet Stigorax named Fifi. (TV: The Happiness Patrol)

In Pete's World, Pete and Jackie Tyler had a pet dog named Rose, which was the name of their counterparts' daughter in N-Space. (TV: Rise of the Cybermen)

Myfanwy was Torchwood Three's pet pterodactyl. (TV: Cyberwoman)

After running away from the Spacefleet Academy, Bernice Summerfield kept two pet turtles, Speckley and Squidgy. (AUDIO: The Shadow of the Scourge)

In the Vault of the New Dalek Empire's Crucible, the Tenth Doctor mockingly proclaimed that Davros was the Daleks' pet. (TV: Journey's End)

The Eleventh Doctor claimed that he did not keep pets, but made friends. (COMIC: After Life)

The Master did not allow their daughter to keep pets. (PROSE: The Liar, the Glitch and the War Zone)