[yarou]

Bishounen is quite popular in Japan, many studios often use this art style, as well as female and male mangaka.

Also "Aztec vampire thingies"? Kars and his lot are the progenitors of mankind.

[eli_gottlieb]

No, the Pillar Men are a prehistoric cousin-species that couldn't withstand UV light and ate both humans and ordinary vampires. The Aztecs worshiped them as gods, and Cars' attempt to mutate himself into an even-more-super superbeing was what created the Stone Mask.

(Yes, I do remember far too much, far too easily about fine details of anime stories.)