Chinese mythology
A different source of inspiration?
I read in the "Where do demigods go to die" post that GPG is taking some inspiration from Indian mythology. I was thinking that you guys could also take some cues from Chinese mythology. The most famous mythological figure in Chinese legend is the Monkey King, or Sun Wukong. He was a monkey that was born from a stone who could use a "cloud somersault" to travel 30 000 miles at a time, who could make himself gigantic or tiny at will, could transform into various different animals, pluck out his hairs and turn them into anything he wanted, and his weapon was a "Gold-Banded do-as-you-will iron bar" that could become big or small at will and could smash practically anything. Right there you’ve got a small, fast, and hard-hitting assassin-type Demigod. Chinese mythology has scores of demons and mythological beings with special powers which would be worth looking into.
Just my two bits. ;p