Emoticons leading to a dedicated signature. Using emoticons (text smileys) to create a character, Sigmund Freud, in this case. A new way to use emoticons. This isn’t something they could do so well with emojis.
Using and combining typographic elements in a sketch evoking a famous portrait is a form of optical illusion, the one we called “smiley” born under the tight limits of the ASCII characters in the infancy years and games of personal computing, which lent to smile through the sense of misappropriation, often vertical to horizontal that it conveyed, (and characterized as an art form during a bygone era: the smiley today have become a very compact micro animated representation inserted throughout the text, with the development of computer science).