Bittersweet is an original character of Katie Cook, a writer for IDW Publishing. She has a similar color scheme to 'Lorne'. Leadwing is an original character of Andy Price, an artist for IDW Publishing. He shares his color scheme with S05E05 Unnamed Pegasus Stallion #1. They are the seventh and eighth original characters to appear in the show, preceded by Holly Dash, Wild Fire, Midnight Strike, Peachy Pitt, Stellar Eclipse, and "Whoa Nelly".