Homo Erectus - 2007

Ishbo is just really a living in the ancient age who believes there's more alive than hunting and gathering. By devising things he tries to enhance the lives of the in his tribe and the toothbrush, which leave everyone, including his parents, unimpressed. In addition, he has something for cavewoman Fardart, but she only has eyes for his brother Thudnik. When a rival clan strikes, Would Ishbo prove his values?