I'm trying to gather info on the Harlequin. Nerd site says simple recessive, VMS says co-dom. I have no idea, was just a thought.
Nerd pic of Harlequin
http://newenglandreptile.com/cart/82-harlequin
VMS
http://www.vmsherp.com/ImagePages/Balls/StripeBall.htm
the VMS line is what those little normies reminded me of, hard to be sure from the pics. Worth dinking with I say! But I say everything is worth dinking with...so feel free to ignore me lol