Onions contain a compound which is toxic to the red blood cells of cats. The red blood cells are destroyed and this results in anemia. The specific type of anemia is called 'Heinz body anemia' because the red cells develop an abnormality called a 'Heinz body' which can be seen under the microscope.
Dug, the dog, is easily distracted by ... squirrels (well, he's easily distracted by everything, but especially squirrels). He can be talking (yeah, it's Pixar/Disney so the dog talks) & right in the middle of the sentence, he shouts, Squirrel!. Then he carries on with whatever he's talking about.
Santa's Little Helper has become a well-known dog because of his appearances in the series. A writer for The Grand Rapids Press wrote in 2002 that we all know who Homer, Marge, Bart, Lisa and Maggie areâheck, most Americans probably recognize their pets, Santa's Little Helper and Snowball II .