Assuming you've met Mike:
Chest hair, yes ... but Mitch has more
Pecs, yes ... but Mitch has more
Abs, yes ... but Mitch has more
Penis size, yes ... but Mitch has more (length at least. Girth, MG might have the advantage.
Booty: Mike's is better.
I'd post pics, but Mitch only has erection is his photos, or of his booty.