Ratnashikhin
Ratnashikhin (Skt. Ratnaśikhin; Tib. རིན་ཆེན་གཙུག་ཏོར་ཅན།, Rinchen Tsuktor Chen, Wyl. rin chen gtsug tor can) — a buddha of the past mentioned in some sutras, such as The Chapter on Medicines, and Kriya tantras such as The Root Manual for the Rites of Manjushri. In this latter context, he presented as the first of eight blessed buddhas.
Buddha Ratnashikhin is included in Trulshik Rinpoche's Homage to the Buddhas and Bodhisattvas.