YOU SAID:

Well, Tamatoa hasn't always been this glam I was a drab little crab once

INTO JAPANESE

まあ、Tamatoa は常に単調な小さなカニがかつてこのグラムをされていません。

BACK INTO ENGLISH

Well, Tamatoa always drab little crabs once this g is not.

INTO JAPANESE

まあ、一度この g は、ほとんど常に単調なカニ Tamatoa。