Kerorogender is a fictigender related to the children's anime Keroro Gunso, anglicized as Sgt. Frog. Other names may include Kerorogunsogender or Sgtfroggender.
History
The term was coined on 6/20/21 by Discord user di0shi.
Flag
The flag was created by Discord user Big Bandaids. It has 3 green stripes and 4 orange stripes with a yellow star in the middle. It is modeled after the protagonist of the series, Keroro Gunso (Sergeant Keroro).