A gripper and a robot are provided. The gripper may include a shell and at least two finger assemblies. The finger assemblies are utilized to grasp an object on two opposite sides of the object. Each finger assembly may include a connecting rod, a pad portion and a layer of synthetic fibrillar adhesive. The connecting rod may be movably connected to the shell. The pad portion may be connected to the connecting rod, and the connecting rod may move the pad portion towards the object under a driving force. The layer of synthetic fibrillar adhesive may be attached to the pad portion. Microfibers of the layer of synthetic fibrillar adhesive may be inclined away from the shell.