HP Challenge - Day 21 Character Resurrection

Over the years we have seen many of the beloved characters die so being able to bring one back would be great power but a very hard decision. I think that overall I would bring back either Sirius Black or Lily Potter. I just feel like Harry needs some kind of family, and though the Weasley's have always been a family to him it is never quite the same as him having even his Godfather there. Someone to remind him of his past and of his parents. Though I imagine there are enough Weasley's that in the end as much as he misses his original family he is pretty happy with his lot in life.