A fine example of the species - known affectionately in these parts as the Cabeza de Pija - seen here displaying its trademark morning greeting — just like in The Truman Show:
"Good morning, and in case I don't see ya, good afternoon, good evening, and good night!”
And here’s another of this particular specimen apparently dressed up for its annual, unmissable Halloween bash.
I know, spot the difference.
In case you can't, in the second image that totemic index finger that is used variously to say hi to its neighbours and stick in people's ears - when not fully inserted into its own rectum - is being brandished as a handy standalone accessory.