Real Life Characters

It takes time and money to create files of "real life looking characters with different poses." I don't know any good source that would give them away for free.

The more specific one's request is for certain character traits and expressions, the more likely it is that filling the request will require licensing characters from a company that focuses on that service, buying images from a stock photo agency, or even paying for a custom photo shoot. Nowadays, it may also be possible to get the images you want using AI.