Well, isn't it obvious? Toon animals walk and talk and go 'bout their business just like you non-toons. Furries are when you have non-toons that pretend that they're animals! Except they walk and talk like us toons!

[He scowls. Obviously.] Honestly, the disregard you have for toons in a city that was built on their backs--you oughta be ashamed of yourself!

[Is he being serious? Is he just trying to goad Plankton? We may never know.]