I finally jumped on the bandwagon, and provided 20 real photos of myself from different angles for an app to analyze and generate 50 illustrations in various styles and themes.

I think my face is clearly more or less accurate in some of them, so that detracts from quite a few of the results. However, if you ignore the accuracy (kind of a bare minimum though) I think the styles are really fun:

Of course, you probably know what I look like, but this is the type of source material I provided.