Vampires Suck - a web comic about...well, what else? Vampires. While the comic itself isn't all that amusing, the little explanations of various Clans are.
Clan Brujah
Clan Gangrel
Clan Malkavian
Clan Nosferatu
Clan Toreador
Clan Tremere
Clan Ventrue
Clan Assamite
Clan Giovanni
Clan Tzimisce
Clan Lasombra