FMA:Caduceus Picture

Yay! Finally, a decent piece of Fullmetal fanart...
Yesh, I ish obsessed with the caduceus(cross with snake around it)
Being my dorkish self I did some research:
The caduceus is the sceptor of Hermes, the god of alchemy. Hermes is associated with mercury...some how....
Now they use it as the medical sign ^___^
Hermes, God of commerce
HA: Astronomy
FMA:Caduceus
Hermes the god of Theives
mercury