A guy spent five years at Boston Dynamics, then quit to build a furry troll robot that strangers can't stop hugging. It has 43 motors inside, walks around their Boston office, dances, high-fives people, and he swears he will never make one that looks human. Marc told the Boston Dynamics CEO on day one that he only took the job to learn how to build companion robots later. He left and named the new company Dynamic Creatures, half Boston Dynamics, half Jim Henson's Creature Shop. The name tells…