who is unoangryone

As of my last update in October 2021, "unoangryone" doesn't appear to be a widely recognized figure, brand, or term. It's possible that it could be a username or handle on social media platforms, a reference in gaming, or perhaps something that gained popularity after my last training cut-off. If you provide more context about where you encountered this term or what it relates to, I might be able to help you better!