Vican was Mutran's shadow Matoran assistant. He was the first to be cured by the klakk and left with the Av-Matoran to travel to Metru Nui.
One of the first shadow Matoran ever created, Vican was the only one to know all of Mutran's secrets. Vican could attach to Mutran in a fight.
Vican was turned into a Shadow Matoran not long before story year 2008.
Vican could not have cared less about Mutran's death.