A Rapid Thruster has a spherical, black head with glowing, yellow eyes and a jagged mouth. Its head is surrounded by a large, two-pronged, beak-like helmet that sports a black spike on either of its sides. The helmet itself is orange and the Heartless emblem is on its top. Its body is also spherical, black, and only slightly larger than its head. It lack arms, and its legs are thin and do not have distinct digits. It has a propeller attached to its rear that it uses to fly. Its neck and body are separated by a thin, cyan line.