It's a Monster... and it eats kids...that's all.

Oh, and it is another failed project of the group of scientist, now, they used a octopus and tried to make a kind of "Kraken", but te monster get out of control easily, and to control it, they locked it head in that sphere, but one day it saw the son of one of the scientist eating fried octopus tentacles, so it went crazy, it brokes the sphere, it eated the child and ran away from the laboratory, now, the people say that it attacks the people who try to harm those of it species, the octopus.