A soobrangdan/soobder is only one person.
The person who invented soobrangdanism/soobinism is a person who recently blew up aka @soobchoi on dc, aoisoobin on insta, and 5soobin on tiktok.
She is known as the only soobrangdan to ever exist, as she is the number 1 soobin Stan (confirmed by multiple people)
She is also known in multiple broadcasts as "the cucumber girl" for bringing her infamous
cucumbers everywhere, and reacting with them.
Make sure to check her out.