Who plays barney the purple dinosaur. I wouldn't blame Colors Make Me Happy! 21.12.2018 Zulujar Barney's Outfits. Contents [ show ]. Barney and Kristy: Let's sit down with a book today. Well what I have to tell you one thing, Pick something you love. Hmm a map like this? We've made a rainbow and it's a really beautiful one song ends Barney: I put my right foot in, I put my right foot out.