A host body was a body used, infected or possessed by another creature, usually one who was incorporeal or very small.
Host bodies
- Lady Cassandra used several bodies as hosts, including Rose Tyler, the Tenth Doctor and Chip when she had left her own body, through the use of a psychograft. (DW. New Earth)
- The Gorgon had used the Abbess as a host body for a long time and chose Sarah Jane Smith as a replacement. (SJA: Eye of the Gorgon)
- The Sex Gas possessed the body of Carys Fletcher. (TW: Day One)
- Judson and Sorin acted as the host bodies for Fenric. (DW: The Curse of Fenric)
- Toby Zed and various Ood were possessed by the Beast. (DW: The Impossible Planet / The Satan Pit)
- Sarah Jane Smith was possessed by an Eight Legs. (DW: Planet of the Spiders)
- The Doctor was temporarily possessed by the Timewyrm. (NA: Timewyrm: Revelation)
- The Gelth took many corpses in Gabriel Sneed's mortuary as host bodies, including Mr Redpath and his grandmother, Mrs Peace. (DW: The Unquiet Dead)
- The Host was a human boy who was infected by a lupine wavelength haemovariform. It had survived a crash landing on Earth by passing into the bloodstream of several hosts and adapting through the generations. (DW: Tooth and Claw)
- The High Priestess of the Sibylline Sisterhood was a host body for a Pyrovile in an early stage. (DW: The Fires of Pompeii)
- Sky Silvestry and the Tenth Doctor were posessed by the Midnight Entity (DW: Midnight)
- The Mayfly needed host bodies as they grew. It needed a perfect host and so cleared the body of all imperfections. (TW: Reset)
- The Nostrovites need a host for their eggs as a third member of their reproduction process. (TW: Something Borrowed)
- Meglos used an "earthling" as a host body to impersonate the Fourth Doctor. (DW: Meglos)
- Androvax possessed the body of Sarah Jane Smith. (SJA: Prisoner of the Judoon)
- Kroagnon possessed the body of the Chief Caretaker to escape his imprisonment in the basement of Paradise Towers. (DW: Paradise Towers)
- Wirrn gestated inside host bodies and absorbed the intellect and memories of their hosts. (DW: The Ark in Space, BFA: Wirrn Dawn)
- The Doctor and several crew members of the Bi-Al Foundation were hosts for the intelligent virus led by the Nucleus (DW: The Invisible Enemy)
- Four townspeople were apparently killed and had their bodies taken over by the Family of Blood. (DW: Human Nature/The Family of Blood)
