Transcript:
Calvin: When you look at me, it's clear that my genes contain the evolutionary perfection of earthly DNA. I am the culmination of creation. Hobbes: With no tail?! I don't think so! Calvin: Stop that! My butt doesn't need aesthetic enhancement!
Calvin, you need a tail. After all, that means that, depending on how prehensile it is, you could wield THREE water balloons at once!