The most important person in the bingo hall, next to you the player of course, is the caller. The caller is the entertainment and sets the mood and tone for the game.
Many online games have a computer-generated voice calling the numbers.
Other games don't provide a caller at all so you have to read the numbers as they appear. It seems to me that some game designers have overlooked this crucial component of the game. On movie fame as the resident bingo caller. His hilarious voice and jokes really bring the game to life and put a smile on my face. And we get to see Kenneth's picture, too.