The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Informant (1 member)
- Inns (1 member)
- Intact (Six Kingdoms (Series)) (1 member)
- Inventors (6 members)
- Iroiit (1 member)
- Iron/Darkness Elementals (BZPRPG) (1 member)
- Iron Elementals (4 members)
- Iron Elementals (BZPRPG III) (4 members)
- Iron Elementals (NBZP) (1 member)
- Iron Elementals (NBZRPG) (1 member)
- Iron Tribe (2 members)
- Island Liberation Squad (18 members)
- Island Metropoliss (BZPRPG) (1 member)
- Islands (6 members)
- Islands (BZPRPG) (1 member)
- Islands (BZPRPG III) (3 members)
- It, but is referred as a male. Characters (Bionicle Kingdoms III-IV) (1 member)
- Items (NBZP) (2 members)
- Jakura Nuva's Characters (13 members)
- Jaliax Sister (3 members)
- Jargon (1 member)
- Journalists (4 members)
- Jungle Tribe (2 members)
- Kalama's Raiders (11 members)
- Kale Roho (NBZP) (1 member)
- Kanohi (9 members)
- Kanohi (BZPRPG III) (2 members)
- Kanohis (1 member)
- Kanohis (BZPRPG III) (5 members)
- Kentoku Archipelago (15 members)
- Kentoku Archipelago (BZPRPG III) (2 members)
- Kin (BZPRPG) (2 members)
- Kin Storyline (BZPRPG) (2 members)
- Kinetics Elementals (BZPRPG) (1 member)
- Ko-Koro (1 member)
- Ko-Koro (BZPRPG III) (2 members)
- Ko-Koro Guard (2 members)
- Ko-Matoran (8 members)
- Ko-Skakdi (3 members)
- Ko-Toa (11 members)
- Ko-Wahi (10 members)
- Ko-Wahi (BZPRPG III) (4 members)
- Kru-Toa (3 members)
- Kumu-Islets (3 members)
- Lag (1 member)
- Lasers Elementals (BZPRPG) (1 member)
- Law Enforcement (BZPRPG III) (7 members)
- Law Enforcements (BZPRPG III) (1 member)
- Lawful Evil (2 members)
- Lawful Good (18 members)
- Lawful Neutral (2 members)
- Lawyers (2 members)
- Le-Koro (1 member)
- Le-Koro Guard (2 members)
- Le-Lesterin (1 member)
- Le-Matoran (8 members)
- Le-Toa (14 members)
- Le-Wahi (4 members)
- Le-Wahi (BZPRPG III) (2 members)
- Lesterin (12 members)
- Lesterin (BZPRPG III) (6 members)
- Lesterin (NBZP) (1 member)
- Lighning Elementals (1 member)
- Light Elementals (BZPRPG) (2 members)
- Lighting Elementals (NBZPRPG) (1 member)
- Lightning Elementals (2 members)
- Lightning Elementals (BZPRPG III) (4 members)
- Lightning Elementals (Fracture) (1 member)
- Lightning Elementals (The Gate) (2 members)
- Limbo Characters (BZPRPG III) (2 members)
- Locations (77 members)
- Locations (BZPRPG) (19 members)
- Locations (BZPRPG I) (5 members)
- Locations (BZPRPG III) (28 members)
- Locations (Bara Magna (Series)) (13 members)
- Locations (Ghosts of Bara Magna) (0 members)
- Locations (NBZP) (17 members)
- Locations (SK) (0 members)
- Lorebook (25 members)
- Lorebook: Atlas (10 members)
- Lorebook (BZPRPG III) (1 member)
- Lorebook (WIP) (14 members)
- Machine (BZPRPG) (2 members)
- Magnetism Elementals (2 members)
- Magnetism Elementals (BZPRPG) (2 members)
- Magnetism Elementals (BZPRPG I) (1 member)
- Magnetism Elementals (BZPRPG III) (5 members)
- Magnetism Elementals (NBZP) (1 member)
- Magnetism Elementals (New BZPRPG) (1 member)
- Magnum Opus (1 member)
- Maintenance Templates (18 members)
- Makuta (1 member)
- Makuta (AMG) (1 member)
- Makuta (BZPRPG) (6 members)
- Makuta (BZPRPG I) (2 members)
- Makuta (BZRPG) (1 member)
- Makuta (The Gate) (1 member)
- Makuta Generals (The Gate) (1 member)
- Makuta Miras' characters (6 members)
- Makuta Vulgaris (BK) (2 members)
- Makutaspawn (4 members)
- Male Characters (13 members)
- Male Characters ((NBZP)) (1 member)
- Male Characters (BZPIII) (1 member)
- Male Characters (BZPRPG) (9 members)
- Male Characters (BZPRPGIII) (1 member)
- Male Characters (BZPRPG I) (3 members)
- Male Characters (BZPRPG III) (51 members)
- Male Characters (BZRPG) (2 members)
- Male Characters (Bara Magna (Series)) (13 members)
- Male Characters (Bionicle Kingdoms IV) (2 members)
- Male Characters (NBZP) (12 members)
- Male Characters (NBZRPG) (1 member)
- Male Characters (New BZPRPG) (6 members)
- Male Characters (The Academy) (2 members)
- Male Dasaka (6 members)
- Maps (1 member)
- Marines (17 members)
- Marines (BZPRPG III) (1 member)
- Mark Bearers (11 members)
- Masculine Characters (NBZP) (1 member)
- Mata Nui (BZPRPG III) (8 members)
- Mata Nui (Island) (1 member)
- Mata Nui (Island) (BZPRPG III) (6 members)
- Matoran (86 members)
- Matoran (BK) (1 member)
- Matoran (BZPRPG) (18 members)
- Matoran (BZPRPG I) (2 members)
- Matoran (BZPRPG III) (40 members)
- Matoran (NBZP) (13 members)
- Matoran (Shut) (1 member)
- Memory Elementals (BZPRPG I) (1 member)
- Menti (6 members)
- Menti (BZPRPG III) (2 members)
- Mercenaries (48 members)
- Mercenaries (BZPRPG III) (4 members)
- Mercenary Organizations (1 member)
- Mercenary Organizations (BZPRPG III) (1 member)
- Merfolk (2 members)
- Military Personnel (Six Kingdoms) (1 member)
- Militarys (BZPRPG III) (1 member)
- Mindarms (10 members)
- Miners (4 members)
- Multiple (explained in detail more later) Elementals (BZPRPG I) (1 member)
- Murders (2 members)
- Murders (BZPRPG III) (1 member)
- Musicians (13 members)
- Mutan Matoran (BZPRPG) (1 member)
- Mutant Toa/Kikanalo Fusion (The Gate) (1 member)
- Mutant Toa (AMG) (1 member)
- Mutated Toa (AMG) (1 member)
- Mutation/Fusion (BZPRPG) (1 member)
- N/A Elementals (BZPRPG I) (1 member)
- N/A Elementals (ToS) (1 member)
- NA Elementals (AMG) (2 members)
- NA Elementals (A Midnight Grey) (1 member)
- NBZP (22 members)
- NEX (4 members)
- NPC (6 members)
- NPCs (2 members)
- Native Tech (BZPRPG III) (1 member)
- Navigation Templates (0 members)
- Neutral (3 members)
- Neutral Evil (1 member)
- Neutral Good (7 members)
- News Organizations (BZPRPG III) (1 member)
- Night Ride (1 member)
- Night of Infinity (3 members)
- Nitro Frost (6 members)
- Nogan (BZPRPG) (1 member)
- Nogan (BZPRPG I) (1 member)
- Non-BZPRPG Canon (3 members)
- Non-Elementals (75 members)
- Non-Playable Species (Bara Magna (Series)) (1 member)
- Nonbinary Characters (1 member)
- None. See power. Elementals (BZPRPG) (1 member)
- None Characters (BZPRPG) (2 members)
- None Elementals (BZPRPG) (4 members)
- Nui-Jaga (1 member)
- Objects (24 members)
- Objects (BM) (0 members)
- Objects (BZPRPG III) (7 members)
- Objects (Bara Magna) (0 members)
- Objects (NBZP) (1 member)
- Objects (SK) (0 members)
- Oblivion's Embrace (3 members)
- Occupations (1 member)
- Occupations (BZPRPG III) (3 members)
- Officers (17 members)
- Oil (at a toa level) Elementals (BZPIII) (1 member)
- Onu-Koro (7 members)
- Onu-Matoran (11 members)
- Onu-Toa (5 members)
- Onu-Wahi (7 members)
- Operational (BZPRPG III) (1 member)
- Organizations (ACD) (1 member)
- Outposts (BZPRPG) (1 member)
- Outsiders (11 members)
- Pages using duplicate arguments in template calls (1 member)
- Pages with broken file links (70 members)
- Pages with canon issues (21 members)
- Paki-Paki (BZPRPG I) (1 member)
- Paladins (4 members)
- Parakuka (7 members)
- Paths, Roads & Routes (11 members)
- Physical MOCs (5 members)
- Piraka (9 members)
- Pirasian (BZPRPG) (3 members)
- Pirasian (BZPRPG I) (3 members)
- Pirates (19 members)
- Pirates (BZPRPG III) (3 members)
- Planets (BZPRPG) (1 member)
- Planets (Bara Magna (Series)) (1 member)
- Plant Elementals (1 member)
- Plantlife Elementals (2 members)
- Plantlife Elementals (BZPRPG III) (3 members)
- Plantlife Elementals (NBZP) (1 member)
- Plasma Elementals (2 members)
- Plasma Elementals (AMG) (1 member)
- Plasma Elementals (BZPRPG) (1 member)
- Plasma Elementals (BZPRPG III) (4 members)
- Plasma Elementals (NBZP) (1 member)
- Playable Species (Bara Magna (Series)) (3 members)
- Player-created Locales (11 members)
- Player Organisation, Cult, Bandit Armys (BZPRPG III) (2 members)
- Plots (BZPRPG III) (1 member)
- Po-Koro (4 members)
- Po-Koro Guard (6 members)
- Po-Lesterin (2 members)
- Po-Matoran (5 members)
- Po-Toa (5 members)
- Po-Wahi (9 members)
- Po-Wahi (BZPRPG III) (1 member)
- Polzin Family (1 member)
- Ports (3 members)
- Powers (1 member)
- Powers (BZPRPG III) (2 members)
- Projects and Technology (BZPRPG) (4 members)
- Protobot (BZPRPG) (2 members)
- Protobots (BZPRPG) (4 members)
- Protobots (BZPRPG I) (1 member)
- Protodermic (BZPRPG III) (1 member)
- Protodermis Elementals (AMG) (1 member)
- Psionics Elementals (1 member)
- Psionics Elementals (BZPRPG III) (4 members)
- Public Gardens (BZPRPG III) (1 member)
- Quotes (1 member)
- Qweelix (BZPRPG) (1 member)
- Rahi (8 members)
- Rahi (BZPRPG) (1 member)