Asmodeus, Prince of Lust
Beelzebub, Prince of Gluttony
Belphegor, Prince of Sloth
Leviathan, Prince of Envy
Lucifer, Prince of Pride
Mammon, Prince of Greed
Satan, Prince of Wrath
As with most genres, Sturgeon's Law applies.
For those unaware, it says that a majority of everything is crap. The exact percentage varies, usally 90%.