"Pokémon SoulSilver" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
In Sil's Eurozone citizen file, he was "numbered" as 231 in HeartGold and SoulSilver. (HOMEVID: Sil and the Devil Seeds of Arodor [+]Loading...["Sil and the Devil Seeds of Arodor (home video)"])