When the mercenary’s took over the island of atua the Earth matoran were taken and enslaved as miners. Now they spend there days swinging there pickaxes in the dimly lit caves longing for freedom.
Tahtorak was a winning contest entry, not an official model from Lego.
Also, to clarify, inserting pins and axles into the circular holes of the socket connector is fine; the issue here is actually the bushing end being crammed into the socket itself, which stresses the piece.
Everyone has a backstory; just because he wasn’t given one doesn’t mean his character wouldn’t have had one.
Unless, of course, he was meant to be a filler MoC that represented multiple villagers, but I digress.