Lab is the bin's very own mad scientist. Did you know he inspired Slosh to become a scientist? He owns Lab's Lab where you can go and test your skills once a day and earn Mulch. He has made almost everything there is in the bin and knows everything.
Stunt is one of his assistants.
Want to talk to Lab? Then you'd better bring your brains. If there's a mad genius in the bin, it's Lab!