I still love the headcanon that Harry purposefully didn't name any of his kids after Remus because he thought one day Teddy might want to. (Can you imagine Teddy and Victoire naming their first son Remus Harry Lupin?
I present you: professor Potter, Defence Against the Dark Arts teacher and Head of Gryffindor House. And Teddy Lupin, his godson and the sassiest Hufflepuff // yes good. this is much better than auror harry