The depiction of Jesus was well-developed by the end of the pre-Constantinian period. He was typically shown in narrative scenes, with a preference for New Testament miracles, and few of scenes from his Passion. A variety of different types of appearance were used, including the thin long-faced figure with long centrally-parted hair that was later to become the norm. But in the earliest images as many show a stocky and short-haired beardless figure in a short tunic, who can only be identified by his context. In many images of miracles Jesus carries a stick or wand, which he points at the subject of the miracle rather like a modern stage magician (though the wand is a good deal larger).
Saints are fairly often seen, with Peter and Paul, both martyred in Rome, by some way the most common in the catacombs there. Both already have their distinctive appearances, retained throughout the history of Christian art. Other saints may not be identifiable unless labelled with an inscription. In the same way some images may represent either the Last Supper or a contemporary agape feast.