I thought his voice was very similar to obamas also. And that brother who lives in the shack - when he was interviewed I thought his mannerisms to be quite similar to o’s.
You noticed that too! But it was if Barry was lobotomized and now only cared about children, music,and wind chimes.
Here is George Obama, the brother living in Kenya by Obama Senior and a black mother, as he is being interviewed by Dinesh d'Souza in his 2012 film Obama's America:
As I watched him in the film, it was like seeing an artist's airbrushed or "perfected" version of Barry.
After seeing both brothers, I do believe his biological father was probably BHO Sr.