Mallloryyyyyooo's manga / #❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤(1)

This is just a theory, but I think mong-gu is a human himself. If we look closely in the earlier chapters, the guy who made all of the Androids was apparently his dad, but I'm not really sure.