This is a drawing of Mickey "Yellow Kid" Dugan from Richard F. Outcault's comic strip The Yellow Kid, to illustrate men's gowns in media. Sauce
Mickey initially wore a pale blue hand-me-down nightshirt from an older sister until he outgrew it and started wearing the pictured yellow one, resulting in the nickname "The Yellow Kid".
Because The Yellow Kid ended in 1898, and Outcault died in 1928, its copyright has expired.
Mickey lived before Twitter. He had to write his daily tweet on his nightshirt in washable marker every morning. But in cartoon hell, everyone wears a shirt that displays one's thoughts automatically, according to this Cracked comic from 2010: The Worst Part of Working in Hell Is the Customers