For those moments when sane earphones just don't cut it, consider these Crazy Earphones from Solid Alliance. Especially if that 243rd playing of Feliz Navidad makes you want to put a sword through your head.
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There's also an arrow through an apple for when you're feeling wacky, an ear earbud for your meta moods, and a mushroom for when... you're dodging Bowser's fireballs?
Don't be put off by the sad mannequin heads: these buds are definitely for you. Available at the Solid Alliance store in Japan for about $22. [Solid Alliance via technabob]