It is M41UMZ, the same as the bio code for Malum.
His(like Gresh's) is M41UMZ.
His(like Malum's) is M41UMZ.
In Bionicle, trade 1 Thorax with Gresh for Gresh's Seal.
A bio code is a code you get on the back of a bionicle box. you can enter them in the bionicle glatorian game to unlock that glatorian.
bionicle starsTahu, Gresh, Takanuva, Skrall, Nektann, and Rahkshi.
Takanuva
avg825
This is the code: M41UNZ
LEGO BIONICLE set Ackar has the B.I.O. code: 4CK4RG
CUTZ05
Strakk's code is 57r4kk.