The first figure is Kandroi Tsomo Che Chang Mar,while the second is Sinpoi Tsowo Jigje Mar. They are eight attendant figures of Mahakala Gonpo Shanglong which derives from terma tradition of Yuthog Nyingthig (literally “The Heart Essence of Turquoise Summit”). Shanglon Dorje Dudul is the special protector of the Tibetan Medical Tradition, lineage and texts.
Kandroi Tsomo Che Chang Mar is taken from: http://www.himalayanart.org/image.cfm/192.html
Sinpoi Tsowo Jigje Mar is taken from: http://www.himalayanart.org/image.cfm/193.html
Cool! Thanks for the IDs.