Mor-Tar

The Mortar is an enemy that appears in Sonic Boom: Shattered Crystal. They are a type of robot resembling a walking shooter.

Appearance
Possessing carrot orange plating and bole joints, the Mortars' torso resemble that of a broad humanoids, but without shoulders and small rings overarching where its shoulders should be. As a head, they have one large yellow eye with a thin pupil, with a helmet possessing a sharp horn and no neck covering it. Also, on their chest, they have a thin cannon. For their pelvis, they have a disk with three legs attached, each with four points of articulation.