The Great Chief was the negative duplicate of Papa Smurf who takes care of the Smurfs, but this negative counterpart has a plan to enslave the Smurf Village into making the Smurfs their prisoners.
Grey Smurfette is the evil counterpart of Smurfette> she has the black hair instead of blonde hair.
Grey Brainy Smurf
Grey Brainy Smurf is the negative counterpart of Brainy Smurf. He is nasty, doing bad things, and tries to steal Brainy Smurf's job.
Grey Greedy Smurf
Grey Greedy Smurf looks like Greedy Smurf. He eats a cake instead of Greedy Smurf.
Grey Jokey Smurf
Grey Jokey Smurf has a boxing glove in his surprises instead of explosives.
Grey Handy Smurf
He acts like Handy Smurf, but does bad things in the buildings.