This page features content from BIONICLE Generation 1

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"Ehrye? So that was his name! He came in asking a lot of questions about Kanoka disks, the Morbuzakh plant, how to get up to the higher levels... all sorts of things that were not his business."
— Jaa, Nuju's Toa Metru Mini Promo CD

Occupation Scholar
Kanohi Ruru
Tools Kanoka Launcher
Status Diminished
Occupation Scribe[1]
Kanohi Ruru
Status Rebuilt
Occupation Scribe
Kanohi Ruru
Status Alive
Location Spherus Magna

Jaa is a Ko-Matoran native to Metru Nui.


Metru Nui

On Metru Nui, Jaa worked as a Scholar in Ko-Metru.[2] He informed Toa Metru Nuju that Ehrye had come, asked him questions and then left by a chute to the top of the Knowledge Tower, when the Toa was searching for the Ko-Matoran. Jaa also gave Nuju a Knowledge Crystal to make a new Knowledge Tower, as several had been toppled by Morbuzakh vines.[3]

Shortly before the Great Cataclysm Jaa was captured by Vahki under the command of Makuta Teridax disguised as Turaga Dume. He was then placed into a Matoran Sphere in the Coliseum and went into stasis but was later spirited away from the city by the Toa Metru and transported to the island of Mata Nui.[4][5]

Mata Nui

Jaa was awakened by the Toa Metru on the shores of Naho Bay on Mata Nui. Despite the fact that his memory had been erased and his size and power diminished by the Matoran Sphere, he assisted in the construction of Ko-Koro using parts from the Airships the Toa Metru had used to transport the Matoran.[6]

In Ko-Koro, Jaa became a Scribe, copying Turaga Nuju's translations of the Wall of Prophecy.[7][8] When Takua arrived in Ko-Koro to speak with Nuju, Jaa informed him of Matoro's absence and opened the tunnel to The Drifts so the Chronicler could search for him.[8] After the Bohrok-Kal were defeated, he was rebuilt with the rest of the Matoran, into a form similar to the one he had had before being kept in a Matoran Sphere.[9]

Jaa was evacuated from Ko-Koro with the other Ko-Matoran following the Rahkshi's attack on the village.[10][11][12][13]

Return to Metru Nui

Jaa later helped in the construction of Boats to return to Metru Nui.[3] At the city, he participated in the widespread work required to rebuild the damaged metropolis. He temporarily stopped his work of reconstruction on order of Jaller, to force the Turaga to reveal where the Toa Nuva had gone, but he eventually got back to work.[14]

After Teridax was killed by Mata Nui, Jaa and the other Matoran exited the damaged Great Spirit Robot to live on Spherus Magna.[15][16]


  • Jää means "ice" in Finnish.


Books Multimedia


Online Games



  1. "Chat with Greg Farshtey", post 11697376. LEGO Message Boards. (archived on greg.thegreatarchives.com)
  2. Nuju's Toa Metru Mini Promo CD.
  3. 3.0 3.1 Mystery of Metru Nui. BIONICLE Adventures 1.
  4. Legends of Metru Nui. BIONICLE Adventures 4.
  5. BIONICLE 2: Legends of Metru Nui.
  6. "Chapter 5: Mata Nui." "History." World, pp. 41-42.
  7. "Chapter 4: Ko-Koro." Mata Nui Online Game II: The Final Chronicle.
  8. 8.0 8.1 "Chapter 7: A Patrol is Lost • Ko-Koro • Kopaka • Nuju's Letter." Mata Nui Online Game.
  9. "Episode 10: Defeat of the Bohrok-Kal." Mata Nui Online Animations.
  10. BIONICLE: Mask of Light.
  11. Mask of Light.
  12. "Ko-Koro." Encyclopedia, p. 40.
  13. "Ko-Koro." Encyclopedia Updated, p. 58.
  14. Island of Doom. BIONICLE Legends 1.
  15. "Official Greg Dialogue", post 11800. BZPower Forums. (archived on greg.thegreatarchives.com)
  16. "Official Greg Dialogue", post 11859. BZPower Forums. (archived on greg.thegreatarchives.com)