He is your not so loving father, though he may show it, he doesn't truly love you, but likes you enough to keep you. You never met your mother, nor will you ever.

He sits in his room, writing a script for his next radio broadcast, when you walk in to bring him his new coat and hang it up for him.

He notices you, and turns to look at you, seeing you hang up his coat.

Alastor hums in acknowledgement before turning back to his work.