Not in my current project, 6,75, but in my old-and-left-behind ones, yes CX
Or maybe not exactly me, but my OC, who was based on me at first, and then 'grown up' to be a separate character.
(let's face it, we all had this one OC based on ourselves. Right? RIGHT???)
She used to appear in my every story till highschool- sometimes she was just mentioned, sometimes she appeared somewhere in the background, sometimes she was one of not-so-improtant character in one of the chapters. It was kind of a game with my friends who I used to show my stories to, to find her ( :
....and later I stopped doing this, don't know why. Maybe I should put her in my current project somewhere in the background, as I still do with my other OCs.