For example, this may happen if the main artery in your neck that supplies your brain with blood is sensitive to pressure. Just quickly turning your neck can cause your heart to beat slower than normal. As a result, your brain might not get enough blood flow, causing you to feel faint or collapse.
Blooregard Bloo Q. Kazoo, is an imaginary friend created by Mac and is one of the main characters at Foster's. He loves to cause problems and is really a prankster at heart, but he is basically a good guy deep down. He turns to his friends a lot for help.
Away from Foster's, Mac lives in an apartment with his mother and his older brother Terrence. Terrence is the stereotypical cruel older brother, who gets great joy out of making Mac's life miserable. In fact, Terrence is partially the reason that Mac created Bloo. There is virtually no brotherly love between Mac and Terrence, and Mac takes great joy in what punishments come his lowlife brother's way.