Sure enough , Hound is revealed to be 777 - whose true identity is the Decepticon spy Makeshift -- .
Makeshift is responsible for sabotaging the Ark 's repairs on Velocitron .
Sure enough , Hound is revealed to be 777 - whose true identity is the Decepticon spy Makeshift -- and he is responsible for sabotaging the Ark 's repairs on Velocitron .