Why is Nyan Cat so popular?

I've always been curious about the viral success of Nyan Cat. Can you explain why this particular meme has captivated the internet in such a big way? What makes it stand out from the countless other memes that come and go every day? Is it the catchy music, the adorable animation, or something else entirely? I'd love to hear your thoughts on what makes Nyan Cat so appealing and why it's still relevant today.