Evil.
There's just no other word for that.
Even when he takes off the mask many people don’t see the real face. Do they expect the anti-christ to be hideous in appearance?
Intentionally acting against God’s laws for humanity is indeed evil.
Gen 2:24 For this reason a man will leave his father and mother and be united to his wife, and they will become one flesh.
“man...united to his wife”
No mention of “this is but one of many acceptable family structures”.