doomed to extinction). Human characters B.C.: An orange haired, humble, naïve slob and eternal patsy. B.C. occasionally makes nighttime rounds as his alter-ego, "The Midnight Skulker." Peter: A yellow haired, self-styled genius and the world's first philosophical failure, founder of the "Prehistoric Pessimists Society" and the "Truth Pedestal," and the discoverer of oil. Peter is patterned after Hart's friend, Peter Reuter; the two had been co-workers at General Electric. Thor: A brown-haired, smart, witty self-proclaimed ladies' man; inventor of the wheel and the comb. Thor was patterned after another of Hart's friends from GE, Thornton Kinney. Jane: a bossy cavewoman who enjoys clobbering snakes. Until August 29, 2019, Jane was referred to in the strip as the "Fat Broad". She is named after Johnny's wife Bobby's mom Janie Indiana Finch. Grace: a quiet but intellectual giant in a world of crude men. Until August 29, 2019, Grace was referred to in the strip as the "Cute Chick". She is named after Johnny's mom Grace Anna Brown. Wiley: a peg-legged, superstitious, unshaven, woman-fearing, water-hating poet and coach of the local baseball and football teams, not to mention the first bartender. Wiley was patterned after Hart's brother-in-law, Wiley Baxter, who lost his leg in World War II. Clumsy Carp: a nerdy, bespectacled ichthyologist and perpetual klutz, clumsy enough to trip over a shadow, yet with some unusual skills, such as his ability to make and stack "water balls" (similar to snowballs). Clumsy Carp was patterned after Hart's childhood friend, Jack Caprio. Curls: a master of sarcastic wit. Curls was patterned after Hart's friend from high school, Richard (Curly) Boland. Grog: pure Id, a caveman's caveman; a primitive, semi-evolved wild man with enough strength to knock the sun out of the sky using a golfball. His vocabulary was very limited until a January 1977 strip in which, to Peter's shock, he actually spoke full sentences. The Guru: an unnamed, bearded wise man living like a hermit atop a mountain, whence he dispenses wisdom and sarcasm. Animals and other non-human characters John the Turtle and the Dookie Bird: this prehistoric odd couple are inseparable friends, especially when making their annual trek south for the winter. The Dookie Bird rides on John's back when they travel. The Snake: the put-upon, mortal enemy of Jane (and her club). The Anteater: eats ants with a sticky, elastic tongue and a ZOT! sound. Hart actually drew something of