Constable Odo is a fictional male Changling policeman in the Star Trek - Deep Space Nine television series who was portrayed on screen by Rene Auberjonois. Constable Odo is a Changeling from the Gamma Quadrant, he got left behind in this side of the galaxy during a mission by his people. He is able to change into any one or anything. He is also the chief of security for the station and takes his role very seriously. He is not against bending the rules when its needed. When he find out that Col. Kira Nerys is responsible for the first murder he investigated, he sweeps it under the carpet.