Here’s what I love:

1:  The time period Mike chose to make this caricature of the Beatles.  There’s a pretty big change in their appearance from the early 60’s to the late 60’s, and he picked the funniest period.  These are the post-Sgt. Pepper Beatles, and they are bizarre looking.

2:  The head shapes.  Mike gave John, Paul, George, and Ringo each their own totally distinctive head shape.  Easy enough to do when there are two subjects, but much more challenging with four.  Many professional, respected caricature artists still tend to draw basic head-shape formulas without much variety, so this piece is masterful.

3:  George Harrison looks like a crazy mofo.  I don’t know why.  But I love that everyone else looks like a pretty sweet, harmless rock star, and George looks like he’s going to steal a car and drive it through the front entryway of a pizza parlor.