Feels like: Dale Earnhardt Jr. Jr., Peter Bjorn and John, Milo Greene, The Elwins, Bombay Bicycle Club, Death Cab for Cutie, The Shins, The Isbells
This one goes out to Rowdy and his fascination for the Annexation of Puerto Rico. But seriously, Pepper Rabbit has a very mellow, happy but dark sound. And boy do I love it. Also check out Older Brother below, it is certain to be a hit.