Yup, they can be dyed or nattie. Please tell the least amount of TU you would accept!
ALSO, if seeking undeads, check out my thread:

(http://www.rescreatu.com/forum/cat/market/advertisements/selling-loads-of-nattie-undead-nameless-creatus-first-come-first-serve-b/~page/1/)

No one have any? xD