For tutorials for both desktop and mobile to put on a discord server tag, check out https://sleepie.dev/tag. You can link these instructions in your own server to help people put your tag on! :3
Also, you should join discord.gg/femz for the femboy tag and discord.gg/Y7ZFsK6YeH for the twink tag :3 (discord.gg/femz is my main server btw :3)
if you know of a unicode character that isnt on this site that can be used to visually represent 2 or more characters, create an issue at https://github.com/eepyfemboi/discord-server-tag-generator to suggest that it be added.
Also, check out my main site at https://sleepie.dev/ :3