Slymer(Chernobyl) x Dr. Who. Also known as Perma Grinn. Mom is Chernobyl an amazing hybrid that emanates a strong pungent aromatic scent with slight hints of cherry and boost your mood while smelling like lime sherbet. Dad is Dr. Who a potent indica dominant hybrid that is around 60% indica making for a great choice for an all day indica. Sweet and sour aromas that will lead to couchlock if not careful. The two together created a beautiful babe that has you walking around with a Perma Grinn and not knowing it.