Suh Un and Suh Joon are already doing their part to help out with the chores as shown in preview cuts for KBS 2TV's 'Superman is Back'!

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Laundry is what caught the interest of the curious twins on the upcoming episode. Upon seeing his mom hang the laundry on the drying rack, Suh Un followed along by laying out and hanging the laundry. Lee Hwi Jae complimented him on his laundry skills, saying, "Good job~ Good job~."

Suh Joon then joined the laundry party by throwing the laundry onto the floor, pretending to do the laundry by hand, and then hanging the clothes on the drying rack as well. Seeing their knack for doing laundry, Lee Hwi Jae nicknamed them, "Lee Gun Jo ['gun jo' means 'dry']."

Stay tuned for this episode this Sunday at 4:50 PM KST!