Most parents expect their newborns to look like newborns. However, when these infants popped out, many of them appeared as though they had already been around for decades.

For some of them, it’s because of their hairdos. For others, it’s their serious expressions that make them appear to be really mature.

However, the one unifying factor is that all of these adorable babies look way older than they should. They might be young in theory, but when you meet them in person, you could easily mistake them for adults.