So. What's up with John Mellencamp's head? [photo]

We need to discuss the size of John Mellencamp's head. pic.twitter.com/enHGcaduFl

— Dan McLaughlin (@baseballcrank) September 19, 2014

@baseballcrank it's big

— southpaw (@nycsouthpaw) September 19, 2014

@exjon @baseballcrank that is one big noggin.

— susan price (@sbprice) September 19, 2014

@baseballcrank Oh wow. That's a colossal cranium.

— IncorrectChange (@IncorrectChange) September 19, 2014

@baseballcrank YES!! Mellencamp's head is Gene Hackmanesque! Must be a size 8 1/2

— chris lynch (@ALargeRegular) September 19, 2014

@baseballcrank I look at picture of Mellencamp and I hear a voice in my head saying "I am not an animal! I am a human being"

— chris lynch (@ALargeRegular) September 19, 2014

@baseballcrank: Never seen these two together. pic.twitter.com/sIHZd7YacC

— FricosisGuy (@FricosisGuy) September 19, 2014

@baseballcrank John Melonhead.

— jon gabriel (@exjon) September 19, 2014

@baseballcrank the real issue is the shape.

— Brendan Hyde (@BrenHyde) September 19, 2014

He's on track to be Ted Kennedy by 2020. RT "@baseballcrank: We need to discuss the size of John Mellencamp's head. pic.twitter.com/JCvhlGp7fm"

— Hired Mind (@thehiredmind) September 19, 2014