This is about the Teddy Lupin from the Rose Weasley Chronicles by Cathylove. For Cannon information, go here.

Ted Remus "Teddy" Lupin is the son and only child of the late Remus Lupin and his likewise deceased wife, Nymhpadora Tonks. He was a Metamorphmagus like his mother, as was shown when his hair changed colour all the time as a baby. Teddy began Hogwarts when he was eleven and was sorted into Hufflepuff house. Teddy recently turned eighteen and is no longer attending Hogwarts, but his girlfriend Vicky Weasley is.