Tamatoa is the secondary antagonist of Disney's 2016 animated feature film Moana. He is a villainous giant crab that covets all things shiny and valuable. In an effort to exude beauty and superiority, Tamatoa displays his collected treasures atop his golden shell.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...