my nonno swore the 'man with the antenna helmet' carving up in Valcamonica was a saint, the alien crowd says astronaut. who's right

Family's from up near Brescia in northern Italy and the Valcamonica rock carvings (Bronze Age, thousands of years of stuff scratched into the rocks, UNESCO site) were just a school-trip thing for us. There's two famous little figures with round heads and lines coming off them like rays or antennae, ……