1) Christopher Hettinger -> A fake person who is selling medicine https://finvsfin.com/rogaine-vs-minoxidil/
2) Ben Schwartzman -> A fake testimonial on an education site https://coursecentral.co.uk/student-success-stories/
3) Isabelle Desjardins -> A random, fake student? https://polban.academia.edu/DianneCastaldo
etc. etc.
If you're going to fake it til you make it, at least choose images that aren't so easily verifiable!