Marcus Slease (JJ Mars) is a writer and performer from Portadown, N. Ireland and Utah in the U.S.

​Some influences include: Buddhist philosophy, surrealism (both hard and soft), shamanism, collage art, punk DIY, low/fi graffiti, experimental ambient, Leonora Carrington, Richard Brautigan, Ivor Cutler, Chika Sagawa, Guy Maddin, and various other fabulists, absurdists, surrealists and satirists.