Not all dads are created equal. And not all dads are technically dads . See, while some Dads stay up late to help with homework, or teaching their progeny to shoot hoops (or paper into a trashcan), there are those who can be considered nothing short of distant. There are also those who aren't in the picture. So in this sense, some moms are dads, and then there are the grandpas who are “dads” to their grandkids. So the thing is, “dad humor” as we know it can never be solely for the fathers that…