Normal Poo is voiced by Takahiro Sakurai, Toshiyuki Morikawa voiced Hard Poo, Junji Tachibana voiced the Swirly Poo Twins, Miyu Irino voiced the unfortunate Diarrhetic Poo, and Arata Furuta voiced Barium Poo. His white hair and pale complexion represent the discoloration barium leaves behind. It's usually taken prior to x-rays of the digestive system.
