That's what Derpy's all about, it's why bubbles are her cutie mark.Elegant in their simplicity, a weightless lifeforce of purest innocence. It' mere existence a work of art, ultimately doomed to end in the most spectacular devastation. In an instant the serenity of such delicacy shatters to reveal the fragile nature that is . . . Derpy. [link] Just in case you're still not convinced.