South Korean musician PSY (short for psycho). Released the K-pop single Gangnam Style in July 2012. It was massive, and you couldn't avoid it. This is my closure on the matter. Released:

The face of the Squatties Psy character.

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From Google

SAY IT WITH A SQUATTIEGRAM!

1. COMPOSE A MESSAGE

Type your message and optionally add you name or resize text if you like. :

SENDER

TEXT SIZE

2. SELECT A MESSENGER

ROTATE CHARACTER

3. MAKE AS AN IMAGE

Type your message in the top box first, then the image generate button appears.

More characters from the Music themed set: