In my experience, this is what they do: ~Increase Happiness ~Clicking on Cappy as he performs each time gives you caps ~Clicking on Bottle the one time he performs gives you between 1-3 nuka-colas

In my experience, this is what they do: ~Increase Happiness ~Clicking on Cappy as he performs each time gives you caps ~Clicking on Bottle the one time he performs gives you between 1-3 nuka-colas or caps