Courtesy of Bice. Click through for the full-size version.
My only quibble is that I’d represent whites as cro magnon (who hasn’t been introduced to Blockheads yet). Here’s your cast minus a couple surprises for later:
From left to right: Entwaifu, neanderthal, melonhead, homo sapiens, cro magnon, TM, “men without chests”, MT.