So out of the characters I can compile atm. Still need to see how much art of them I have but the ones below are for sale and the ones with question marks are possibilities:

Caspien - Moray eel- lots of art
Tia- BLue Dragon girl- several peices of art
Faux- snake girl- ref sheet
Other snake girl- ref sheet
Igneous- Lizard taur- Ref sheets
Odin- mewcario- ref sheet
Seth- Falvie's fionbri- Several pieces of Art
(Crash- blind dragon- several pieces)
Maybes:
Swift- Hedgog girl- several pieces
Jericho- Cybernetic T-rex- ref sheet