Artist who created the avatars?

Neptune's Pride
1

Who is the artist who created the NP avatars. They have so much character and uniqueness to each one. The are really great.

2

1
You can see some old NP1 avatars here.

2
I am able to recognize some of the NP2 Premium avatars as being from the IHG game Jupiter’s Folly , which was written in Adobe Flash.

I am sure that @Jaykyburz could have an interesting story about who drew the NP2 avatars.