Dude....that was way weak. Almost doesnt require a response but I have to bust you out.
The entire City of David inside of Jerusalem alone is Archeological proof that there was a King David.
By your simpleton standard there is no Acheological proof that Ghengis Kahn existed.
There is no Acheological proof that Kublai Khan existed.
There is no Acheological proof that Hitler existed.
There is no Acheological proof that Kennedy's brain existed.