Wylla's a bit shocked to see Servant metamorph into a lil' old man named Pidherny Sophasath, but finds the situation even more confusing when he turns into his even younger self, Vilhelm.
Wylla is beginning to want an explanation, but before that happens she gets to see an even younger version of this entity: Adrian Ritske.
Spoilers: Ritske hasn't actually appeared in the comic, but has been name dropped a lot. He painted the map of Ternion we saw when Chatel and Wylla searched Paul's room. Ritske also painted the portrait of King Morden that Wizard stole a few years back in Lalancette's castle...