Before reading this post, check out the related article on Torontoist.
From the February 12, 1932 edition of the Toronto Star, photos of the visiting Hoskins siblings. Janey (Mango) looks relaxed on the left...while Allen (Farina) is "turning the juice on" with an expression bordering on the stereotypical pop-eyed look black comedians were expected to employ onscreen at the time. It also appears that the publicity photo in the middle was taken some time earlier.
Here's four-year-old Farina demonstrating his self-preservation skills in the face of a poorly-controlled train in a clip from 1924's Sundown Ltd. - JB