I’ve read that when speed, agility, teeth, and claws are factored into a contest, a 10 lb. monkey is an equal match for a 170 lb. man.
At least no one has given a monkey a loaded AK 47 yet. Cheetah the chimp has one-up on the Thai local street monkeys.
https://www.youtube.com/watch?v=3V3oT7BRiWo