Teridax, usually known as simply "Makuta" or the "Makuta of Metru Nui", was the leader of the Brotherhood of Makuta after overthrowing Miserix, and the ultimate antagonist of the BIONICLE saga. During the final battle on Bara Magna, he was finally killed by Mata Nui.
“The people of the world are builders. But look into their hearts... and you will find that they also have the power to destroy. I am that power. I am destruction. And I will destroy you.”
“No, not gone, not really...but he's right. The best way to honor him for the gifts he has given us is to make this world what he wanted it to be: a place of peace, a living world where Matoran and Agori can achieve their destinies. Come my friends, new and old...it is time to begin.”