Caricature-spotting in Bangkok...

On my recent trip-of-a-lifetime, I tried to photograph any instances of caricature that presented themselves. One night, my other half, my son and I were sitting in a street cafe on Khaosan Road when I noticed the
t-shirt of a fellow patron:

 The subject was also drawn in on the back of the shirt, which is how I first noticed it:

If anyone knows the subject or artist, by all means comment below! I have my suspicions as to the artist as it looks like the work of a few possibilities...