It is alright, but it reminds me of sweater and I have no idea why I hear sweater. I prefer
Sylvester to
Silvester, and the name sounds a bit odd to me.
"Life is not an easy matter... You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness." -
Leon Trotsky