[lou1306]

I'm a fan of the 2nd revision myself, it's sooo Web 2.0

https://seeklogo.com/vector-logo/492036/linux-tux

But the OG Tux remains undefeated I'm afraid

[Gualdrapo]

That's the one (besides OG Tux) I liked most. Though the "glassy" original Tux wasn't bad at all.

https://seeklogo.com/vector-logo/274040/tux