Leo Wyatt is a Whitelighter, a Guardian Angel for good witches. His task is to advise witches and heal their injuries, ailments. Leo also has the power of orbing. However he is unable to heal the dead. Appearing in season 1 as the Halliwells' handyman, he had Piper and Phoebe fighting for his attention. Piper won and they started their forbidden romance. This went on for 1 season before they finally got married in season 3, needless to say, after much difficulty.