Gigantron (ジャイガントロン, Jaigantoron) is a flying kaiju who first debuted in Ultraman: Rising. She is the mother of Emi, and after their separation was forcibly mechanized into the fearsome Mecha Gigantron, a tool of the Kaiju Defense Force.
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...