>>212660942
>What does Bo Selecta mean?
It's part of the name of a song by Craig David: https://www.youtube.com/watch?v=M0wv_cQv8As
>Why did he wear glasses as all the characters?
Dunno
>How did he get away with black-face?
It was the noughties. Little Britain got away with it too, pic related - the guy playing a black woman is white
>Why did he add cursing to all the characters?
For comedic effect I guess