ok there are manny unnamed DF that have been seen i am makeing this thread to try to come up with there names.
Unnamed Devil Fruit of an unknown user from Impel Down. It gave this person the ability of "tunneling",
An unnamed Devil Fruit eaten by an unnamed Marine Vice-Admiral that turns him into a dalmatian.
An unnamed Devil Fruit eaten by an unnamed Whitebeard division commander that allows the user to keep things such as a giant hammer in a pocket that is in his body.
An unnamed Devil Fruit that was "eaten" by a spiked ball on a chain owned by a Whitebeard division commander.
here are some examples now i know some are obvious but i thought it would be fun so have at it guys. also please if u think one could be a new sub catagorie please state that theory cuz i have my ideas about laffitte and hawkins being a new sub catagorie(supernatural) idk but any of that kind of stuff is open let get it on