Face it, there was only one way Two!Lem would make his appearance.
He's also the only Doctor!Lem who (unintentionally) mirrors his human counterpart - [link]
His tartan trousers were created via a combination of an online Photoshop pattern tutorial, Liquify, a Brush Stroke filter and some painting-over in Painter.
Now, here's a question for you - how is a creature with no individual digits able to play a wind instrument?
Lemmings © Take That (I think)
Doctor Who © BBC