Batgender is a xenogender the focuses on bats and/or vampires. One's gender may be impacted by bats, best described as batlike, or otherwise related to bats/vampires in some way. This may or may not be a kingender.
Flag
The alternative batgender flag was designed by an anonymous wiki user during October, 2020. It was designed to be less intense, less scary, and easier on the eyes. There is a version with a bat, as well as a version without a bat.