By Brandy McDonnellFeatures writerbmcdonnell@oklahoman.comDenise Duong maintains a fanciful flock of imaginary friends, and she doesn’t care who knows it. Rather, she plasters her charming cast of adventurers, explorers and observers on posters and parking garages, splashes them on paintings and pins and even takes them down not-so-dark alleyways. “Somebody asked me the other day like ‘what are you doing tonight?’ And I was like … ‘Tonight, I’m gonna have to hang out with my make-believe friends at the studio,’” she said with a laugh.Read more on NewsOK.com