Krakonn

"How can you ask such a thing? I'm a Kr... Ta-Matoran!!"

- Krakonn, hiding his true Matoran class

Bareth was one of the last Kra-Matoran survivor who lives in the island of Kirya Nui.

Matoran
Krakonn birth in Destral, with all the other Kra-Matoran, and he exetred as a Rahi designer. His best friend was another Kra-Matoran called Nerok, who later became a Toa of Shadow. Krakonn abandoned Destral because Nerok committed an accident that nearly killed a few Matoran. So Krakonn was expelled and went with him to not leave him alone. The both of them

The two of them ended up in the Kirya Nui Island, where he served as Veterinary Krakonn and Nerok joined the local Toa team, named the Toa Kirya. When those toa made ​​a deal with the League of Six Kingdoms to help them in their quest to rule the Matoran Universe, Krakonn had to leave his job to beccome a soldier.

The problems for him and all his people came when the Brotherhood of Makuta defeated the League, they attacked the island, and they swept through the island, leaving only 40 Matoran survivors.

The Islanders were forced to surrender, so, after the negotiation, the Makuta allowed them to live in peace. But in return, the Matoran and Toa had to give each and every one of the weapons and technological devices and lock them there forever.

...

Trivia

 * For security reasons, he doesn't want to tell the other Matoran his true Matoran class. That's why he says that he's a Ta-Matoran.