User blog comment:Chimadino/Who is that old man behind Jay and Cole/@comment-30938718-20171221134419/@comment-31631963-20171221172757

Part of the whole thing is to find​ Wu, not replace him. It's sort of like in Season 4, but this time they know that Wu is alive, so they won't try to replace him. I do not think that the man has any significance.