Sing it with me now: "Hey now hey now now / Sing this corrosion to me..."
Epic Riff: Both "Lucretia My Reflection" and "Driven Like the Snow" have epic bass riffs.
Da-na-naaaaaaaaaah, da-na-naaaaaaaaaah, da-na-naaaaaaaaaah, da-na-naaaah-naaaaaaaaaah. "Dominion / Mother Russia" takes a simple six note riff and milks seven fat minutes of AWESOME out of it.
"This Corrosion" has that choppy synth riff combined with staccato guitar.
Also "Alice" and "Temple of Love" for guitar, and while "Valentine" and "Kiss the Carpet" aren't really epic (going by the internet definition of that word) they both freeze the blood. The latter is insanely complicated for an independent release.
Here's a challenge: Name a track on First and Last and Always that doesn't revolve around an awesome riff. Go ahead, I'll wait.
Face of the Band: Andrew is the only member of the band besides Doktor Avalanche anyone can ever remember without consulting the Wikipedia article.