SS4DarthPayne said:
Ok this was cool:
http://www.gadgetlove.com/blog/watch-han-solo-and-chewbacca-get-40-years-older-in-2-seconds
Direct link to the GIF:
Going by that GIF Chewie got younger over the last 38 years.
Look at how coarse he looks in 1977 compared to his smooth 2015 appearance.