Animals are eukaryotic, multicellular organisms that form the biological kingdom Animalia. With few exceptions, animals are motile, heterotrophic, reproduce sexually, and their embryonic development includes a blastula stage.
"You can't give up hope just because it is hopeless! You gotta hope even more, and cover your ears, and go: "Blah blah blah blah blah blah blah blah!""