Aye-aye is a lemur, a strepsirrhine primate native to Madagascar that combines rodent-like teeth that perpetually grow and a special thin middle finger. It is the world's largest nocturnal primate. A bit scary but I find it cute!
The Naked Mole Rat. it is resistant to cancer. They also live up to 28 years, which is unheard of in mammals of its size. It seemingly does not age much in those 28 years either. It remains “young, healthy and fully fertile