JJCC's E.co introduced himself a bit as he revealed the story behind his name and his background as a model.

E.co shared, "I am E.co, a man of contradictions who has both refreshing traits and lunacy."  He explained, "E.co, which is short for 'psycho' ['ycho'] is familiar to me because it was my nickname in high school. Although others might call me (ps)'ycho', I think I am very normal." 

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The idol also revealed that he was a former model, but that he found the music scene much more fitting to his taste. "I feel more alive on stage as a singer rather than a model," he said. When asked about their mentor and boss Jackie Chan, E.co mentioned that he had actually been a fan of the action star since an early age and that Jackie Chan felt like "a father and an older brother".