Sneek the rat.
A Sneek is a large and rather nasty looking rat found in Donkey Kong Land 3 and Donkey Kong Country 3: Dixie Kong's Double Trouble! as a very common enemy. He has very large sharp teeth and an evil looking face, his fur is grayish blue in color with pink snout, tail, and feet. He is somewhat derived from Neek who is a better looking rat found in Donkey Kong Country 2
In this game Sneeks main and only purpose is to run into the Kongs causing lost lives. He is rather common and easy to defeat however by simply jumping on him, or rolling him over. All he typically does is walk back and forth changing direction when he walks into objects. A barrel can also take him out easy.
His roles in this game are exactly the same as the previous one. Just to try his best to walk into the Kongs during levels, and make them lose lives. Again he is very easy to defeat with a jump or a roll move, and of course with a barrel.