Vajragarbha
Vajragarbha (Skt.; Tib. རྡོ་རྗེའི་སྙིང་པོ་, Dorjé Nyingpo, Wyl. rdo rje'i snying po) — a bodhisattva who compiled the Dzogchen teachings given by the Buddha Samantabhadra in Akanishtha. He is counted as one of Tertön Sogyal's previous incarnations.
The main interlocutor of the Buddha’s entourage throughout many of the Yoginītantras, such as the Hevajra Tantra, is also called Vajragarbha.