I go to school with Rikki Tikki Tavi

If you want a closer look, just skip to 2:19.

I had no idea some clown had introduced the Indian mongoose to Hawaii. Apparently he wanted to get rid of the rats in his cane fields. Long story short they ended up with both rats and mongooses. If you want to see more of these anerable little badasses, check out this one taking down a cobra in India. They're so cool cats don't even mess with them. In fact, here's a group of them chasing a lion. Here's a less badass vid of one attempting to steal someone's lunch.