Why does everyone keep calling James 'Blackwell'?

It's Blackwall, like
[hider=Black]
[img]http://hitcolors.com/wp-content/uploads/2016/08/Black-12.jpg[/img]
[/hider][hider=Wall]
[img]http://www.austinmonitor.com/wp-content/uploads/2015/11/wall.jpg[/img]
[/hider]

...ok, rant over