Sunny Rays is identical to Merry May apart from her coat colors, shares her design and mane and tail colors with S04E10 Unnamed Pegasus Mare #3, shares her design and cutie mark with "Velvet Light" and "Skyra", shares her design with Cloud Kicker, "Spring Skies", S04E10 Unnamed Pegasus Mare #4, and "Sugar Apple", shares her mane and tail style with Lily Valley, shares her mane style with "Bon Voyage" and "Lavender Skies", shares her tail style with Pisces, and shares her cutie mark with S06E04 Unnamed Earth Mare #2 and bespectacled Apple Cobbler.