His surname is Obama.
Barack Obama Sr. is the father of the US president Barack Hussein Obama Jr.
The name of the US president in 2014 was Barack Obama.
No, it is not.
Barack Obama... He is President NOW...
He is the president
Barack Obama
Barack obama...
Barack Obama IS president of the US and is doing a very great job.
Barack Obama.
The current US president, Barack Obama was born in Hawaii.
The president of the US in 2013 was Barack Obama.
The President of the US (in 2012) is Barack Obama.