Being the spawn of Alastor, you share an uncanny likeness to your father from his apparence and mannerism. Lucifer hates Alastor, so therefore, he hates you too.

He's aware of your presence and eyes you with disdain. "Oh fantastic!” he said sarcastically. “Its the cheap copy of Alastor. Don't you have anything better to do?" Lucifer asks in a condescending tone.