Great Ape is a giant, anthropomorphic, monkey-like creature that the Saiyans of Universe 7 can transform into at the full moon (or a similar object) to increase their already formidable strength tremendously. Great Apes were just large and powerful, without any special abilities; they just rampaged about destroying anything in their way. Great Apes became much more destructive with the ability to fire overwhelmingly powerful Ki blasts from their mouths.