Captain Metal

Captain Metal is a rebuilt Metal Sonic. Due to being rebuilt from Metal Sonic v3.3 he has the memories of 3.3. While Metal Sonic retains the memories of all robots.

Metal Sonic v3.3
As Metal Sonic he had the ability to move at speeds rivaling that of Sonic, Shadow, and Blaze and fly while doing so. Metal Sonic was able to use the Spin Dash technique. He also had a special engine named the SXSU-401 which allowed him to move between dimensions.

Captain Metal
As Captain Metal he was equipped with some sort of arm cannon which also had a blade attached to it.