Fastest land animal alive, hitting 70mph in about three seconds, which puts most supercars to shame.
Fun fact: Cheetahs can't roar — they chirp and purr instead, which is oddly adorable for a 70mph predator.
Refused to grow up and leave the water, so now the internet thinks it's adorable.
Fun fact: Can regenerate entire limbs, spinal cord tissue, heart cells, and parts of its own brain.