Kristy Marlana Wallace, known as Poison Ivy or Poison Ivy Rorschach, is a guitarist, songwriter, arranger, producer, and occasional vocalist who co-founded the American rockabilly band The Cramps. Ivy was born as Kristy Wallace in San Bernardino, California, and raised near Sacramento. In 1972, while attending Sacramento State College, Wallace met future Cramps singer Lux Interior. In 1974, they... show more