Originally Posted by Sgt_Strider
That other guy has more hair than him. I don't think that is his dad.
Hair loss is from the mother's side. Also, Bobo shaves his head. If you look at the stubble pattern, he only has a minor front recession. The other guy's top part of his head is cut off completely. For all we know, he could have nothing on top, just on the sides.
I see a resemblance between the Bobo and the accordian dude. I'd put money on it that's his dad (or maybe even his grandpa - Swedes age well!).