Chaitanya Mahaprabhu...was actually considered to be an avatar of Krishna... Chaitanya propogated Bhakti Yoga... and based his entire philosophy on the Bhagavata Purana and the Bhagavad Gita... Mirabai...whose tremendous love and devotion to Krishna surpassed all human boundaries and limitations...is regarded by many as an incarnation of Radha... her wonderful songs instill faith and courage in the meek and the submissive... Shirdi Sai Baba...was an Indian yogi, guru and fakir, who both Hindus and Muslims as a saint of high spiritual standing... Baba encouraged acts of charity and advised all his devotees to be generous while helping people in need... he would guide one and all who took refuge in him...