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The Raxacoricofallapatorians were a race from the planet Raxacoricofallapatorius.
Biology
External features
Raxacoricofallapatorians were large, bulky amphibious humanoids, up to eight feet tall. They were well adapted to their home-planet, with large eyes to see through the blizzards of the poles and powerful arms to swim through the oceans. (REF: Doctor Who: The Visual Dictionary) They had thick, lumpy skin, ranging in colour from a yellowish green, (DW: Aliens of London/World War Three) a paler, grey-green (NSA: The Monsters Inside) a much darker shade of green, (SJA: The Nightmare Man) or a brownish orange (SJA: The Gift).
Raxacoricofallapatorians hatched from large, green eggs with several tendrils (DW: Boom Town) and would break out of these eggs using their powerful claws (REF: Doctor Who: The Visual Dictionary). By the age of twelve, Raxacoricofallapatorians were still considered children and were shorter than a human of equivalent age. (SJA: Revenge of the Slitheen) As Raxacoricofallapatorians aged, they lost moisture from their tissue, calcifying and effectively turning into stone. (NSA: The Slitheen Excursion)
Raxacoricofallapatorians had a great instinct to hunt, and would use their strength and poison-tipped claws to kill their prey. (REF: Doctor Who: The Visual Dictionary) Despite their large bulk, they were also capable of surprising speeds and could easily overpower a human. Raxacoricofallapatorians could hunt by scent and could identify an individual's species, age, sex, emotional state and location by it. This sense of smell was officially the best in the Galaxy. (SJA: Revenge of the Slitheen) They could also sense the pain of closely related individuals from far away. (DW: Aliens of London/World War Three)
- This ability to sense the pain of other individuals may have been partially telepathic, since it was shown to work from across planets. (NSA: The Monsters Inside)
Internal anatomy
Raxacoricofallapatorians were calcium-based life, as opposed to the more common carbon and silicon-based life. (DW: Aliens of London) Despite this, they were able to eat carbon-based food, with some even enjoying it. (SJA: The Gift) Due to their biochemistry, Raxacoricofallapatorians were vulnerable to acetic acid and would react explosively with it (DW: Aliens of London), a feature that was utilised in the Raxacoricofallapatorian death penalty. (DW: Boom Town)
- In The Slitheen Excursion, the Raxacoricofallapatorians were described as silicon-based. No explanation for this contradiction was given.
Raxacoricofallapatorians had a more efficient metabolism than a human, meaning they only needed to eat every few weeks and produced less waste. Raxacoricofallapatorian blood was red and their tears were milky in colour and slightly acidic. (NSA: The Monsters Inside) The females of the species could create poison when in danger, released either by a dart-like claw or through their breath. (DW: Boom Town)
Technology
The Raxacoricofallapatorians were a scavenger species, known for stealing advanced technology from other species. (SJA: Revenge of the Slitheen) They were more advanced than humans and had developed faster-than-light travel in the form of slipstream engines sometime prior to 2006. They could also modify a pig into a humanoid form using their own technology. (DW: Aliens of London/World War Three) They also had small, hand-held teleportation devices, though they tended to have limited range and capabilities. (DW: Boom Town, SJA: The Gift) Some of the Raxacoricofallapatorian technology appeared organic in nature. While in Justicia, Ecktosa and Dram used sticky nets as hammocks. These nettings were covered in a slime that quickly hardened away from body heat. Other Raxacoricofallapatorian buildings had their floors covered in a sticky substance. (NSA: The Monsters Inside) In the 347th century, the Raxacoricofallapatorians also had molecular repurposing devices. (NSA: The Slitheen Excursion)
The Raxacoricofallapatorians' most distinguishable technology was their compression fields. The Slitheen (DW: Aliens of London/World War Three) and Blathereen families (NSA: The Monsters Inside) were able to disguise themselves as other, smaller humanoids by fitting into their skins. This was done with the compression-field collars that they wore on their necks. When unzipped, pent-up energy was released through the zip in the form of a flickering blue light. Their size was controlled by the movement of gas, which caused a condition similar to farting, but with a smell slightly similar to that of bad breath due to calcium decay. (DW: Aliens of London/World War Three) These individuals originally needed to be large, but the advancement of technology meant smaller skins could be used. (SJA: The Lost Boy, NSA: The Monsters Inside) These skin suits were apparently inferior to those of other species. (NSA: The Nightmare of Black Island)
The Raxacoricofallapatorians mastered the concept of string theory. (SJA: Revenge of the Slitheen)
Culture
Raxacoricofallapatorian society was based off families, such as those of the Slitheen, Blathereen, Slavereen, Caizeen, Lilieen, Rackateen, Chippeen, Fittereen, Hanazeen, Glizeen, Hostrozeen and Arlene. Raxacoricofallapatorian names were complex with the various hyphenation showing their exact placement on the family lines. (WEB: Captain Jack's Monster Files, REF: Doctor Who: The Visual Dictionary) There were also mixed families, such as the Slitheen-Blathereen family. (SJA The Gift) Raxacoricofallapatorians were led by a Grand Council and an Assembly. (SJA: Revenge of the Slitheen) The leader of this Council was the Lord Predator. (NSA: The Slitheen Excursion)
The Raxacoricofallapatorians had the death sentence for dangerous criminals like the Slitheens, which was carried out in a gruesome way. The criminal would lowered into a cauldron of acetic acid, which would then be heated to boiling. The acidity of the solution was formulated to dissolve the skin, allowing the internal organs to drop into the liquid while the condemned was still alive, resulting in a slow and painful death. (DW: Boom Town)
Based on the comments of Blon, Raxacoricofallapatorians neither brushed their teeth nor prepared their food in complicated ways. (DW: Boom Town)
Two known Raxacoricofallapatorians insults were "May plaque brown your belly" and "May your mother boil in the cauldron of atonement". Both were presumably related to their calcium based biology. (NSA: The Monsters Inside)
History
Raxacoricofallapatorians were part of the four-world Raxas Alliance along with the Abzorbalovians and the people of Raxacoricovarlonpatorius and Clix. (SJA The Gift)
Sometime before the 21st century the criminal Slitheen family bribed their way into power on Raxacoricofallapatorius. Their rule crashed the planet's economy and eventually the population rose up against them. (SJA: The Gift) Exposed, shamed, and arrested in the Great Purge of Yon:556, the entire family was tried and found guilty with no chance of appeal and given the death sentence. Many of the Slitheen fled justice, but the family continued to be hunted down by the Blathereen family and Judoon. The actions of the Slitheen ruined the good name of the Raxacoricofallapatorians. (SJA: Revenge of the Slitheen)
The Slitheen family preyed on other planets, especially Earth for many centuries.
- See the Slitheen page for a more thorough history.
In the 347th century, Raxacoricofallapatorians fought in the Platonic War, alongside various other alien races, against the human race.
In the year 34,600, the Lord Predator was Haralto Wong Bopz Wim-Waldon Arlene. However he died shortly after this. (NSA: The Slitheen Excursion)
Minor references
- While attempting to bluff the Sycorax leader out of attacking Earth, Rose name-dropped the Raxacoricofallapatorians. (DW: The Christmas Invasion)
- Rose Tyler remarked the Abzorbaloff was "a bit Slitheen", but when the Doctor asked he revealed that he was from Clom, Raxacoricofallapatorius' twin planet. The Abzorbaloff spoke of the Raxacoricofallapatorians with contempt. (DW: Love & Monsters)
- The Doctor and Martha were once involved in an adventure where they were hanging onto a cable in a lift shaft while surrounded by Raxacoricofallapatorians. (Doctor Who Storybook 2008)
- The Graske had kidnapped a Raxacoricofallapatorian and had brought it to Griffoth. It escaped after the meddling of the Tenth Doctor and one of his companions. (DW: Attack of the Graske)
- A Raxacoricofallapatorian was seen at the Zaggit Zagoo bar where the Tenth Doctor went to visit Jack Harkness one last time before his regeneration. (DW: The End of Time)
Behind the scenes
- In the Shadow Proclamation scene in DW: The Stolen Earth, Raxacoricofallapatorians were originally going to appear along with a child version of Blon. Strangely, the sketch depicted them as having four fingers rather than three as seen on TV.
- The Raxacoricofallapatorians have several things in common with the Foamasi from DW: The Leisure Hive. They are green, have three fingers with long claws and use Skin suits.
- Before the Ood were created, the production team had considered Raxacoricofallapatorians being the servants on Sanctuary Base 6 in DW: The Impossible Planet/The Satan Pit.