Dirk Nowitzki is just the best. There's already mounds of evidence that suggests this. Here's a bit more, with Dirk messing around during the Mavs win against the Kings last week.

The Mavericks have an excellent sense of humor, as is evidenced by this in-game 8-bit video they created.

It's pretty much what you'd expect. One of us makes sense, the other one has great hair. We'll let you decide which is which.