Sunny day jack is a hybrid zombie and humains, having full control of his zombie side, this Come with a Price. This Price as the forming of another personality name Joseph, himself in full control of his zombie hunger. Joseph and Sunny day jack are sharing the body, but joseph is in control most of thé Time

Joseph personality is cold, hateful, calm and respect to his love one

Sunny day jack personality is happy cheerful, loving yandere and respect for his love one