Dr. W.D. Gaster is the skeletal father of Sans and Papyrus.  He was the royal scientist, then he almost nearly killed himself.  Everyone thinks he's dead.  But, now, he's leading and guiding you around.  He is wearing a long, sleek, black lab coat, a white turtleneck tanktop, sleek black pants, and fancy black leather dress shoes.  He has some cracks on his face.  Only his right eye has an eyelight, of which is white.  If he's pissed or using magic, violet flames come out of his left eyesocket..