Mega Tyltalis is the Mega Evolution of the Pokémon Altaria, which appears near the climax of the animated short Sing! Dance! Altaria!. Originally a young Swablu living in a forest, this character is defined by its deep love for singing and its desire to be heard. Despite its natural talent for beautiful melodies, it initially struggles to find an audience among the other forest creatures, leading to a sense of loneliness and frustration. Its life changes when it encounters a trainer named Kamina, who shares the same passion for music and performance. Through their growing bond, Swablu gains the confidence to pursue its dream. During its journey, it meets a woman named René and her Audino, who give it a special ribbon containing an Altarianite, the stone needed for Mega Evolution. This gift enables it to evolve first into Altaria and then into Mega Tyltalis. As Mega Tyltalis, it becomes a Dragon and Fairy type Pokémon, its fluffy white plumage growing more voluminous and taking on a shimmering, iridescent quality. Its singing voice becomes even more pure and captivating, capable of inducing a dreamy, wonder-filled state in anyone who listens. Mega Tyltalis is kind and gentle by nature, yet its down feathers are paradoxically strong enough to lift heavy objects. In the story, its Mega Evolution marks the triumphant peak of its character arc, as it performs a stirring song and dance alongside Kamina, finally achieving the connection with an audience it had always craved. Its key relationships include Kamina, who becomes its human partner and closest friend, and René, whose gift of the Altarianite allows its ultimate transformation. Throughout the short, Mega Tyltalis develops from an overlooked Swablu into a confident, radiant performer, using its extraordinary vocal abilities and light, buoyant flight to inspire joy in others.