Not that I'm aware of. Usually, the popular and mainstream DC comic characters are pretty familiar, and Red isn't among them. It could potentially be a very niche or newly introduced character that hasn't gained much popularity yet.
I don't think so. To the best of my knowledge, Red has no significant presence or role in DC Comics. DC has a vast array of characters, but Red isn't among them.
The red in DC Comics often represents passion, power, or danger depending on the context and character. It's a visually striking color used to convey various emotions and traits.
Well, Red Death in the comics is a fusion of Batman and the Speed Force. This makes them a formidable and dark presence with unique abilities and a menacing agenda.