The man on the left appears to have "blacked up" his face, perhaps in preparation for a fancy dress event? Later photos show a lady dressed as a nurse - perhaps part of the same event.
L-R Mouse, Hilda and Houghton Vivian who married Lamorna Birch. Uncle Leo Vivian, Tom Archibald who married Chris Vivian, Alice Vivian, Granny Vivian, Babs Archibald, Grandpa Vivian and don Vi.