Y'Mera Xebella Challa is a superheroine appearing in American comic books published by DC Comics. Created by Jack Miller and Nick Cardy, the character first appeared in Aquaman #11 (September 1963).[1
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...