I build things. It's what I do best.
John was the son of a Hogosha that reigned of mechanical devices, so he was granted abilities similar to that of the Hogosha.
John has an 'extreme' personality. He is often seeking a thrill or two, and tends to build machines just to have a good time.
John tends to make friends very quickly, since he is a very accepting person.
John constructs his own weapons, so you'll often see him with a toolkit.
When on missions, John always has a weapon or power armor he made himself, and the power armor is always suited to the mission in particular.
John is the son of the Hogosha that governs over mechanical devices, so he gained knowledge of how to construct such devices, and how to operate them.
John has been at the Hogosha academy for as long as he can remember, and therefore, is unfamiliar with his parents.