Q&A: Silver’s Last Name (Twisted Wonderland)

⚠️No JP-Server Spoilers!⚠️

How come Silver doesn’t have a last name? Does it relate back to “Vanrouge” being only a courtesy name for Lilia?

0:00 – Naming Silver
0:33 – Lilia saying “son”
0:59 – “Vanrouge,” the courtesy name