[Pictures] BEAST's Doo Joon and 2AM's Jo Kwon,old men version!

How you ever wondered how your idols will look after 30 years?
Jo Kwon and Doo Joon revealed the answer through some funny pics.The photo was uploaded by Jo Kwon on Twitter.
He said,"I am 50 this year,still in good term with grandpa Doo Joon"!
Any opinions to share on their grandpa looks?
Do you have any comments to share on their grandpa looks?