Dr. Seuss Wiki
Joe and his Brother

Joe and his unnamed brother are characters who appear in One Fish Two Fish Red Fish Blue Fish.

The unnamed brother tries to hear Joe's call through a telephone but Joe proclaims that he can't even hear him at all. Joe states that this isn't good and he knows that a mouse has cut their telephone wire and Joe tells his brother "Goodbye!"

Its unknown if this is the same mouse that was seeing the Guy in an Old Hat.