I suspect \[Andy] was meant to represent a staff member, or at least a person of importance.
I tried the F1-"Wolfram Search", Wolfram|Alpha and a simple mathematica.SE & Google search.
Can somebody please tell me why \[Andy] is a named character in Mathematica?
My installation is on version 11.3

\:f729in a notebook and usingFullForm[]on the result. – J. M.'s missing motivation Mar 17 '19 at 13:52\[Spooky],\[Villa], and\[Akuz]. Perhaps long forgotten Easter Eggs, I'm not sure. I can't seem to infer any meaning from them, nor am I aware of any higher ups at WRI named Andy... Maybe if there was a\[SW]or\[Stephen]... – ktm Mar 17 '19 at 14:22