omni-verse cleaning monster

A young man form our world wake up in a particular situation. He knows that he was ROBed (Random Omnisian Being) and given a task that he must do. To make it sure he does it, he does not have the ability to refuse this task. His first task is to chose a body/power/race that he can accomplish his job forced upon him. He then tink about his favorite space cockroaches, the zerg form starcraft. Hi in case you wonder about this fic it my atem to practice my writed English since i am French and also my first fiction ever posted. Also, it is the kind of story that some bloke got a shitty deal and force to clean the mess that other did and abusing his power in order to get back at the a hole that send him there. The ¨mess¨ is any fictional world that was created like the one in book movie and games the old man have to managed them all and he is lazy he dont want to. cover by Fiddy i have no talent plz let me steal your