Doppelganger #1-4 (2017) Complete

Suffering from hallucinations after a car crash, a timid computer engineer named Dennis Zimmann discovers that he's actually been duplicated by an ancient and evil Doppelgänger spirit. Combining his intelligence with the creativity of his neighbor Riccardo, Dennis must develop a plan and the courage, to kill his Doppelgänger before it destroys his life and erases his very existence!