Captain 4 is a captain that was created by a child and was later made alive with magics from Santa Claus and Jesus's powers. He was accidentally hit by that magic which caused him to become alive. At first, Captain 5 didn't like his form but was later convinced to like his self. He rescued MS Paint creatures that was imprisoned by Captain 1 and was considered a captain by many. Because of that, he became a member of the Legion of Captains. He has a rivalry with Captain 1. He is also a part of Justin's army
He is now currently residing at MS Paint with his family. Sooner, he will be a destructive force if all the captains' forces join.