I've recently come to the conclusion that the sloth is the best animal ever.
I don't know why, but I've recently discovered how awesome sloths are. They're cute, funny, and are extremely slow-moving which only serves to add to the hilarity. Here's some picture evidence to support my claim:
(Click each picture for a larger image)
And as a bonus, here's David Attenborough talking about and interacting with a sloth: