Mesogog

Mesogog was the power-hungry dinosaur-human hybrid monster, who attempted to conquer Earth and wipe out humanity.

Personality
While mostly calm, tranquil, and unemotional, Mesogog is a sadistic, cunning, cruel, evil, sinister, manipulative, acrimonious, and cold-hearted mastermind who will do anything in his power to ensure his dream of bringing the Earth back into the age of the dinosaurs is brought to fruition.

Even as an adolescent, Mesogog proves himself to be highly intelligent and dangerously manipulative, motivated by jealousy, though at this age it hasn't reached it's murderous heights yet. His ties to family only go so far when his own goals are in mind, and he sees no problem in endangering his brother's life in order to get the attention he so desires. Despite his avid lust to be the favored tyrant and the "King of Earth", he is lazy and takes little interest in his subjects, willing to bend the rules and put his own interests above those of his subjects.

Powers and Abilities
Mesogog has proven that he is quite skilled in hand-to-hand combat and possesses psionic powers that he can use as a means of torturing his enemies or his allies if they fail. He is quite intelligent in terms of genetic technology, having created a device called the Geno Randomizer that can take samples of animal, plant, and machine to create monsters. Mesogog can also sense Dino-Gems and as the Mesomonster, he is even more powerful, proving practically invincible and can split into copies of himself.