Nathaniel Pratt

Summary: Nathaniel Pratt is a mortal who lives near the Charmed Ones, after he lets his dog foul on the sidewalk outside the sister's house, the sister's decide to use their powers for revenge on him! This in turn puts Pratt on a modern day witch hunt in the future to burn all witches at the stake. After Phoebe uses her powers to punish Cal Greene who killed her friend Pratt made it his mission to rid San Francisco of all witches. In the future Pratt is the DA who prosecutes Phoebe. When the sister's return to the present they stop themselves from repeating their revenge thus changing the future, but in the future Pratt does prosecute Cal Greene for the murder but Phoebe does not use her powers for revenge which stops Pratt going on his witch hunt.