On KBS2's Happy Sunday 1 Night 2 Days, the cast revealed their ID card photos in the airport on their way to Jeju Island. Everyone had a good time laughing at their old pictures. Kang HoDong called Eun Ji Won an international fugitive! And then there was a sudden explosion of laughter when Kim C's photo was placed next to theirs. But, singer Kim C has had a special heartwarming outpouring from fans and viewers after revealing his ID card. While some might struggle with the decision to donate organs, Kim C's ID card has many donor stickers, for corneal donation, organ donation, body donations. Viewers were impressed with his generosity and goodwill. His cyworld homepage is filled with comments about what a model person he is and his encouraging philosophy on life. Check out their hilarious ID sharing moment at 8:24.