THAT is fascinating! I’d like to learn to do that. All I need are the pen, the nibs and the ink. Oh. Some paper would be good, too... ;o]
He's been doing it for a while.
Scott Kim has obviously schooled himself on some very subtle tricks of writing and the way people see characters. Little squiggles below the line get ignored, until you turn the figure upside down.
His is a kind of genius that is quite rare. He is a unique artist.
But still, it's fun to play with.