*presses button labeled "Canned Mad Scientist Laughter #0172"*
Wow, you've got 172 different canned mad scientists laughs? Mine ran out of oxygen somewhere around 12. Beyond that, it was just whimpering and wheezing and an occasional hammering as he tried to get out.
What's your secret?
Should I be drilling air holes in the can?
...Or are you using multiple mad scientists in multiple cans?
...or multiple mad scientists in the same can, I guess.... they do say they're recyclable, after all.
... the cans, not the scientists....
... although....