The symbol for the moon Oberon is often used as the gender symbol for oumen. It is unknown who first proposed it as such

Proposed by a Tumblr user in 2024, the tesseract symbolizes how outherinity must be looked through the right lens to be seen for what it truly is.

Designed by Vesper, the same individual who coined maverique, yellow represents a primary gender, white represents autonomy and independence, and orange represents inner conviction.

The comet symbol is often used as the gender symbol for maveriques.

The aporagender symbol was created by Tumblr user z1msoda in 2021.

The aporagender flag was created by Tumblr user Hyaenahart sometime before 2018. 

The aliagender flag was created by Tumblr user pride-color-schemes in 2016. The colors chosen are the opposites of blue and pink, which are typically associated with binary genders. Originally having 9 stripes, this is a simplified version.

The aliagender symbol was designed by a group of Brazilian enben in 2014.

The math symbol for "there exists" was proposed as the ilyagender symbol by Tumblr user colorless-nebula-flag-archive in 2019.

The ilyagender flag was designed by Tumblr user Xeno-Aligned in 2019.