When a new colleague arrives, it’s an experience for the whole office. Who are they? Are they cool? Can they sing that karaoke duo with me? These and other important questions pop up as soon as somebody joins the workplace. However, after Michael Lens, a UCLA professor, has witnessed new arrivals at the university, probably the only question that crossed his mind was ‘WTF?’

Scroll down to check out whooo refuses to leave the campus.

More info: Twitter

As soon as Michael shared the picture on Twitter, it turned into Owl jokes central over there

Some went for the subtle puns game

Others had their own insights

Woot do you have to add? Do so in the comments below!