I don’t know if you’ve heard of the boygroup, MBLAQ, which is from Rain’s management company. One of the boys from MBLAQ is Park Sanghyun or “Thunder”, the kid brother of 2NE1 ingenue (San) Dara Park.
See this REALLY FUNNY spoof of her older sister’s CF for Cass Beer with Lee Minhoo
For your reference, here is the original:
Thunder looks so much like his sister, its so damn funny!
Props to POPSEOUL as story source