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The LoadsAndLoadsOfCharacters in the ''Toys/{{BIONICLE}}'' franchise. Since the series lives and breathes by the CastHerd, this page will do the same, arranged in rough order of prominence.

For {{trope}}s about the {{character|sheets}}s of [[Toys/{{Bionicle 2015}} the 2015]] ContinuityReboot, see Characters/{{Bionicle 2015}}

* Characters/BionicleChronicles\\
[-The Toa Mata/Toa Nuva (Tahu, Kopaka, Gali, Lewa, Pohatu, Onua, the Toa Kaita, Takua/Takanuva), Matoran of Mata Nui (Onepu, Kapura, Macku, Hafu, Taipu, Tamaru, Kopeke), Makuta Teridax, Rahi (Tarakava, Nui Rama, Nui Jaga, Muaka, Kane-Ra, Manas, Gukko, Ussal crabs), the Bohrok Swarm (the Bohrok, the Bohrok Va, the Bahrag, the Bohrok-Kal), the Rahkshi-]
* Characters/BionicleAdventures\\
[-The Toa Metru/Toa Hordika/Turaga of Mata Nui (Vakama, Nokama, Matau, Onewa, Nuju, Whenua), Matoran of Metru Nui (Nuhrii, Vhisola, Orkahm, Ehrye, Tehutti, Ahkmou) Metru Nui Leadership (Dume, Lhikan), Vahki, plant creatures (the Morbuzakh, the Karzahni), the Dark Hunters ("the Shadowed One", Sentrakh, Voporak, Nidhiki, Krekka, Lariska), the Visorak Horde (the Visorak, Sidorak, Roodaka), The Rahaga/Toa Hagah (Norik, Iruini, Kualus, Gaaki, Pouks, Bomonga), Rahi (Kikanalo, Krahka, Nivawk, Tahtorak, Keetongu)-]
* Characters/BionicleLegends\\
[-The Toa Inika/Toa Mahri (Jaller, Hahli, Kongu, Hewkii, Nuparu, Matoro), the Piraka (Zaktan, Hakann, Vezok, Thok, Avak, Reidak, Vezon, Inrakk, Nektann), the Voya Nui Resistance Team (Garan, Balta, Dalu, Velika, Piruk, Kazi), the Order of Mata Nui (Helryx, Axonn, Brutaka, Botar, Hydraxon, Krakua, Mazeka, Umbra, Maxilos robots), the Barakki (Pridak, Takadox, Ehlek, Kalmah, Carapar, Mantax, Nocturn), Matoran of Mahri Nui (Dekar, Defilak, Sarda, Idris), Other Toa (Lesovikk, Tuyet, Ignika) Legendary Figures (Artahka, Kharzahni, Tren Krom, the Zyglak), Av-Matoran (Tanma, Solek, Photok) Shadow Matoran (Kirop, Galva, Radiak, Vican, Vultraz), the Brotherhood of Makuta (Antroz, Chirox, Vamprah, Krika, Bitil, Gorast, Mutran, Icarax, Miserix, Spiriah, Tridax), Rahi (Fenrakk/Kardas, Hydruka, Energy Hounds, Gadunka, Toa Terrian Crawler, Klakk)-]
* [[Characters/BionicleSpherusMagna Spherus Magna]]\\
[-The Agori (Raanu, Berix, Tarduk, Atakus, Metus), the Glatorian (Gresh, Vastus, Malum, Ackar, Tarix, Kiina, Strakk, Gelu, the Skrall, Tuma, the Sisters of the Skrall), Mata Nui, Click, the Great Beings, the Sand Tribe, the Bone Hunters, the Iron Tribe, {Sahmad, Telurris), the Battera, the Element Lords, Annona-]
!!The Matoran and Toa races
!!! The Matoran
The Matoran are the main race in Mata Nui's realm. A race of workers, one of their most prominent traits is that they're ready and willing to defend themselves no matter how big the threat. Divided into tribes corresponding to natural elements; the main ones are Fire, Water, Air, Earth, Stone, and Ice, and the tribe of Light also makes a prominent appearance.
* AbnormalAmmo: Metru Nui Matoran use [[DeadlyDisc Kanoka Disks]] (superpowered frisbees), while the Mahri Nui Matoran shoot solid bubbles of air (toxic to the waterbreathers assaulting them)
* CharacterizationMarchesOn: At least in the comic books, denizens of Le-Koro (also including Lewa) don't use Treespeak until the Mask of Light arc. When Lewa first speaks in this manner, in issue #13, the comic gives no explanation for him doing so.
* ColorCodedElements: played straight with all tribes except Matoran of Light, who subvert it by being able to change colors and specifically ''avoid'' their native gold-and-white scheme.
* CoolMask: All Matoran wear one, and need it to function, but even if they wear a MaskOfPower they can't use it.
* {{Hobbits}}: Size-wise in comparison to the Toa.
* HufflepuffHouse: Just about any tribe outside the main seven.
* LongLived: As with all denizens of the Matoran Universe; the main groups have been alive for a millennia at the absolute least, and some are close to 100 times that.
* {{Nanomachines}}: Given that Mata Nui is a HumongousMecha, they would appear really tiny to him.
* [[OneGenderRace One Gender Tribes]]: Again, the tribe of Light subverts this by being composed of both genders.
** And subverted again with Psionics, which is a female-only tribe save for their first member, a male Toa. Turns out he wasn't effective in peacefully dealing with Zyglak, so the rest of the Psionics Matoran are female on the grounds that they would be gentler with their powers. (However, the (female) Toa of Lightning he explains this to doubts that WomenAreWiser.)
* PersonalityPowers: Matoran personalities tend to match the tribe they belong to; fire is HotBlooded, ice is TheStoic, and so on. Occasionally subverted on an individual basis.
* RequiredSecondaryPowers: but they only get the primary ones if/when they become Toa.
* TrainingThePeacefulVillagers: averted; they're either pre-trained or willing to get their hands dirty anyway.
* WeaksauceWeakness: A Matoran without a Kanohi mask will soon fall comatose.

!!!The Toa
The heroes; Matoran chosen by Destiny to receive power and transform into benevolent protectors. Tend to work in six-member teams. Once they fulfill their purpose, they may be called upon to give up their power and become '''Turaga''' elders.
* AllYourColorsCombined: six Toa can team up to [[SealedEvilInACan Seal Evil In A Can]] as long as they are all different powers, and that [[YinYangBomb Light and Shadow]] aren't both used.
* ColorCodedForYourConvenience: Elements are all color-coded with one or two colors (see ElementalPowers)
* ComboPlatterPowers: given the ElementalPowers and MaskOfPower, although in some cases, they are compatible (Gali: MakingASplash and ArtificialGill; Lewa: BlowYouAway and NotQuiteFlight)
* CoolMask / MaskOfPower: The [[TropeNamer Trope Namers]]; each Toa wears a mask that grants them an ability.
* ElementalBaggage: Usually justified, but the Toa can create their element out of thin air.
* ElementalPowers
** Major Elements:
*** AnIcePerson (Toa of Ice, white and grey)
*** BlowYouAway (Toa of Air, green)
*** DishingOutDirt (split between Toa of Earth and Toa of Stone, black and brown respectively)
*** MakingASplash (Toa of Water, blue)
*** PlayingWithFire (Toa of Fire, red and orange)
*** HolyHandGrenade / LightEmUp (Toa of Light, white and gold)
*** CastingAShadow (Theoretical Toa of Shadow) [[note]]Matoran of Shadow did exist, and there were plans to make a Toa of Shadow, but it was cut due to time constraints[[/note]]
** Minor Elements:
*** ExtraOreDinary (Toa of Iron, metallic grey, bronze, gold and burnt orange)
*** PsychicPowers (Toa of Psionics, gold and blue)
*** ShockAndAwe (Toa of Lightning, blue and white)
*** MakeMeWannaShout (Toa of Sonics, gray)
*** GreenThumb (Toa of Plant Life/The Green/Jungle, green and blue)
*** GravityMaster (Toa of Gravity, purple and black)
*** PlasmaCannon (Toa of Plasma, orange and white)
*** SelectiveMagnetism / MagnetismManipulation: (Toa of Magnetism, gunmetal gray and black)
** ElementalAbsorption
** ElementalPunch: Of a sort; they can charge their Toa Tools with their powers.
* FusionDance: Three Toa can merge into a Toa Kaita.
* MagicKnight: Their ElementalPowers and generally melee-based weaponry give them this image.
* ManOfKryptonite: Before Takanuva, the Makuta were most vulnerable to Iron and Magnetism Toa due to their being energy in armor after their evolution. This led to many being inducted into Hagah teams to keep an eye on them.
* PersonalityPowers: Their ElementalPowers to a degree, though the story began playing with this more as it continued.
* PersonOfMassDestruction: Toa can perform Nova Blasts, which explosively releases all of their elemental powers.
** For comparison, only one Nova Blast has been shown in Canon. It's implied to have devastated an entire continent. In ''Legends'', Jaller [[spoiler:prepares one in a HeroicSacrifice to let Matoro save Mata Nui. When they are transported back to Metru Nui, it's treated as a serious possibility that he might sink the island, thereby [[CranialProcessingUnit destroying the whole universe.]]]]
* PlotRelevantAgeUp: Matoran into Toa, and again into Turaga.
** RapidAging: When the Toa Metru give up their powers to awaken the Matoran.
* PowerOfTheStorm: Elemental Powers such as [[AnIcePerson Ice]], [[BlowYouAway Air]], and [[MakingASplash Water]] can be used to manipulate the weather in regards to the power.
* RequiredSecondaryPowers: Which they already had since they were Matoran (except for the Toa Mata, who were created first as Toa rather than Matoran).
* SuperStrength: The average Toa can lift about a ton ''without'' a Mask of Strength.
* ThouShaltNotKill: Officially part of the "[[CodeOfHonour Toa Code]]" due to PR concerns, as Toa need the trust of the Matoran in order to operate effectively. Said code was probably loosened in wartime, but none of the Toa we meet take killing lightly. One Toa is known to have killed a Makuta under necessary circumstances, and he's still haunted by it.
* TrueCompanions: Toa teams commonly form this dynamic, though it has been subverted on occasion.
* WeaponOfChoice
** TheMagicTouch: Toa often channel their Elemental Powers into their weapons.
** MagicWand: the most common use of the weapons, thanks to ThouShaltNotKill.

!!!The Turaga
The Turaga are elder Toa who have sacrificed their Toa Power and fulfilled their destiny. Their elemental and mask power is far weaker than when they were Toa, and so they act as chieftains of the Matoran, leading then with respected wisdom.
* CapedMecha: In the movies, Turaga are depicted with robes.
* DemotedToExtra: Turaga as a whole became less important in later sagas.
* RetiredBadass: While they still have some power and will defend thenselves if need be, they typically leave the fighting to the Toa if they can.
* StaffOfAuthority: All Turaga carry staffs called their Badge of Office which symbolizes their experience and knowledge. They're usually tramsformed from their Toa Tools, with a few exceptions (Vakama's Firestaff was his former Mask-Making tool, Nokama's Trident was carved from fishbone).
* SupportingLeader: A Turaga's leadership is highly valued by the Matoran, who tend to have a hard time coping without their guidance.

!!Energized Protodermis
->I have met your kind before. So confident in your power to contain me, control me, or destroy me. You are no more than Stone Apes reaching for the stars, believing you could extinguish them if only you could get them in your grasp. Transformation, or destruction. Which will be your fate? Let us find out, together.

Protodermis is called the "stuff of life" by the Matoran, and for good reason -- almost everything within the Matoran Universe is made of it, right down to the [[MechanicalLifeforms mechanical armor and organic tissue of its inhabitants]]. However, the true nature of this substance lies in its mysterious original from: a glowing, silver liquid known as '''Energized Protodermis''', which can either transform or destroy whatever touches it depending on whether or not they are destined for transformation.

What really makes this substance notable is that fact it is sentient in of itself, able to manifest anywhere its natural form exists. The Entity possesses an enigmatic, arrogant personality, willing to work with whoever intrigues it but overall considering itself superior to all other lifeforms.

[[spoiler:Energized Protodermis existed deep within the core of Spherus Magna long ago, until some of it leaked to the surface. Its discovery prompted the Core War as the world's tribe fought for control of the powerful substance, but as more was drawn to the surface, the planet began to come apart. At the time, the Great Beings processed Protodermis to build the Great Spirit Robot and the Matoran Universe within it, using some of its Energized form to stabilize its power source.]]
* AppliedPhlebotinum: Natch. Its strange power is esentially what kickstarted the Bionicle story, and its transformative abilities play a key role in certain stories.
** PhlebotinumHandlingEquipment: Both the Matoran Universe and Spherus Magna have developed materials that can safely have the substance.
** SentientPhlebotinum: The Entity even supplies the page quote.
** ToxicPhlebotinum: At least to those not destined to transform by it.
* GreaterScopeVillain
* MakingASplash: It channels itself into tidal waves as its typical method of attack.
* MinorMajorCharacter: The Entity has manifested a few times in the story, but its role as AppliedPhlebotinum is about as important as the Great Beings themselves.
* MutagenicGoo: To those destined for it.
* UltimateLifeForm: It views itself as the SuperiorSpecies.
* UnpredictableResults: Not even the Entity has control over who transforms or dies by it, or what they turn into. It does have a limited ability to sense whether or not someone is destined for transformation.