The two twins were guest on the family special of�MBC's 'Quiz to Change the World', and Huh Gak revealed that once, a fan had thanked Huh Gak for letting her take photos with him at the club. However, it wasn't Huh Gak at all, but his twin brother.

SEE ALSO: ILLIT member Wonhee already lands a big CF deal just weeks after debut

That's not it - Huh Gong once got allowance twice from their father. He received his own allowance, and then pretended to be Huh Gak so he could get more money! Huh Gak only found out when his father told him, "I sent you the money you asked for".

However, Huh Gong wasn't fazed by his little brother's problem. He merely said, "We're the same person. The money you earn is mine, and the money I earn is yours".