How was this image created?

Cartoon Me will convert your photograph into a cartoon graphic

I jhave not tried these, but FWIW

12 Sites To Create Cartoon Characters of Yourself
http://www.hongkiat.com/blog/11-sites-to-create-cartoon-characters-of-yourself/

Portrait Illustration Maker
http://illustmaker.abi-station.com/index_en.shtml

Or you can try it yourself using a combination of the posterization and cutout filters in Photoshop on a picture of yourself. Work much larger than your final output.

^ Yep, I’ve used the built in tools in Photoshop and GIMP to do the same thing. It is as easy as clicking on a button and adjusting some settings.

Cartoon Me works.

That is the pencil work