A manipulator comprising at least one profile as a supporting connection element between two joints and/or between a motor and joint. In order to provide a manipulator that is simply constructed and offers a multitude of design possibilities, according to the invention, the profile is designed as a multi-functional profile with an internal channel and at least one lateral receiving groove, and at least one further multi-functional profile is provided which is designed as a shaft and with at least sections thereof being structurally identical to the multi-functional profile at least in terms of the profile formation, or designed as a rack and with at least sections thereof being structurally identical to the multi-functional profile at least in terms of the cross-sectional contour.