Super Junior's dancing machine, Eunhyuk,�has expressed sincere concern for the well-being of ELFs through his Twitter. On December 18th, the idol tweeted, "Finished the dry rehearsal.� ELFs who are already standing outside, beware of the cold.� If you get sick, oppa gets sad." In the photo, Eunhyuk is seen bundled up in a big scarf while his fans a double dose of encouragement with his peace sign. Netizens commented, "Aww, you're so kind", "ELFs are amazing to be standing in the freezing weather to see their SUJU oppas", and "Thank you, you stay warm too!" Source + Photos: Osen