Vajrayogini is the principal female deity of the Chakrasamvara Cycle of Tantras. There are many different forms of the deity with each having a unique name and appearance. Some names are descriptive such as Krodha Kali meaning 'black wrathful' yogini and others 金刚瑜伽母 refer to the lineage or principal Indian mahasiddha associated with a particular Yogini practice. The most common forms found in art are the Naropa (Naro Khacho, 那洛巴-那若卡居) form, Vajravarahi (with the pig face at the side, 带猪面的是金刚亥母), Vajrayogini in a dancing posture(舞蹈姿态的金刚瑜伽母), Krodha Kali (the black form, 黑忿怒相) and Dechen Gyalmo (of the Longchen Nyingtig, 龙钦宁提的大乐佛母). Other names refer to the Indian or Tibetan lineage associated 金刚瑜伽母 with a particular Yogini form and practice. The terms 'dakini'(空行) and 'vajra 
dakini' are often used with reference to Vajrayogini.
