Guru Sengé Dradrok
Guru Sengé Dradrok (Skt. Siṃhanāda; Tib. གུ་རུ་སེང་གེ་སྒྲ་སྒྲོག་, Wyl. gu ru seng ge sgra sgrogs; Eng. 'The Lion's Roar') — one of the Eight Manifestations of Guru Rinpoche.
From A Great Treasure of Blessings, page 30:
- Guru Rinpoche challenged and defeated five hundred upholders of wrong views in debate at Bodhgaya. He reversed their magic with the aid of a wrathful mantra given him by the lion-faced dakini Marajita.
- He is known as Sengé Dradok, 'The Lion's Roar'.