The popularization of the type dates to the early 20th century, when Neanderthals were influentially described as "simian" or "ape-like" by Marcellin Boule[1] and Arthur Keith.
[3] Cavemen are typically portrayed as wearing shaggy animal hides, and capable of cave painting like behaviorally modern humans of the last glacial period.
Typically, they have a low pitched rough voice and make vocalizations such as "ooga-booga" and grunts or speak using simple phrases.
During the Middle Ages, these beings were generally depicted in art and literature as bearded and covered in hair, and often wielding clubs and dwelling in caves.
From the descriptions, Griffith's characters cannot talk, and use sticks and stones for weapons, while the hero of Cave Man is a Tarzanesque figure who fights dinosaurs.
[citation needed] Griffith's Brute Force represents one of the earliest portrayals of cavemen and dinosaurs together, with its depiction of a Ceratosaurus.